How to Identify and Measure Fittings
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45° Flared Fittings for Copper and Brass Tubing

- Temperature Range: -65° to 250° F
- Tubing: Use with seamless brass and copper that meets ASTM B280
No sleeve is required to assemble these fittings, which makes for a faster, more convenient installation compared to 37° flared fittings. They require a nut (sold separately) for each tube end. Fittings are also known as refrigeration and SAE fittings. They are brass for good corrosion resistance.
NPTF (Dryseal) threads are compatible with NPT threads.
Metric and UN/UNF (Straight) threads have a gasket to protect against leaks. UN/UNF (SAE Straight) threads are also known as O-ring boss threads.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water; except adapters for 1/8" and 1" tube OD are not for use with fuel oil
- Specifications Met: See table
For Tube | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Thread Size | Thread Pitch, mm | Material | Gasket Material | Max. Pressure | Specifications Met | Each | |
NPTF Threads | ||||||||||
1/8" | 0.03" | 1/8 | __ | __ | Brass | __ | 2,800 psi @ 73° F | SAE J512, SAE J513 | 000000000 | 00000 |
3/16" | 0.03" | 1/8 | __ | __ | Brass | __ | 1,900 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/16" | 0.03" | 1/4 | __ | __ | Brass | __ | 1,900 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/4" | 0.03" | 1/8 | __ | __ | Brass | __ | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | 1/4 | __ | __ | Brass | __ | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | 3/8 | __ | __ | Brass | __ | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | 1/2 | __ | __ | Brass | __ | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/16" | 0.032" | 1/8 | __ | __ | Brass | __ | 1,200 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
5/16" | 0.032" | 1/4 | __ | __ | Brass | __ | 1,200 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
5/16" | 0.032" | 3/8 | __ | __ | Brass | __ | 1,200 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/8" | 0.032" | 1/8 | __ | __ | Brass | __ | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | 1/4 | __ | __ | Brass | __ | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | 3/8 | __ | __ | Brass | __ | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | 1/2 | __ | __ | Brass | __ | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | 3/4 | __ | __ | Brass | __ | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 1/4 | __ | __ | Brass | __ | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/2" | 0.032" | 3/8 | __ | __ | Brass | __ | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/2" | 0.032" | 1/2 | __ | __ | Brass | __ | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/2" | 0.032" | 3/4 | __ | __ | Brass | __ | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 1/4 | __ | __ | Brass | __ | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 3/8 | __ | __ | Brass | __ | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | __ | __ | Brass | __ | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 3/4 | __ | __ | Brass | __ | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/4" | 0.035" | 1/2 | __ | __ | Brass | __ | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/4" | 0.035" | 3/4 | __ | __ | Brass | __ | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
7/8" | 0.045" | 3/4 | __ | __ | Brass | __ | 450 psi @ 72° F | SAE J512, SAE J513, UL Listed | 00000000 | 00000 |
1" | 0.035" | 3/4 | __ | __ | Brass | __ | 350 psi @ 73° F | SAE J512, SAE J513 | 000000000 | 00000 |
1" | 0.035" | 1 | __ | __ | Brass | __ | 350 psi @ 73° F | SAE J512, SAE J513 | 000000000 | 00000 |
Metric Threads | ||||||||||
1/2" | 0.032" | __ | M16 | 1.5 | Brass | Fluoroelastomer Rubber | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | __ | M27 | 2 | Brass | Fluoroelastomer Rubber | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/4" | 0.035" | __ | M27 | 2 | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
UN/UNF (SAE Straight) Threads | ||||||||||
3/4" | 0.035" | __ | 3/4"-16 | __ | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/4" | 0.035" | __ | 1 1/16"-12 | __ | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water; except adapters for 5/8" and 3/4" tube OD are not for use with fuel oil
- Specifications Met: See table
For Tube | |||||||
---|---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Specifications Met | Each | |
NPTF Threads | |||||||
1/8" | 0.03" | 1/8 | Brass | 2,800 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 000000 |
3/16" | 0.03" | 1/8 | Brass | 1,900 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/4" | 0.03" | 1/8 | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | 1/4 | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | 3/8 | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/4" | 0.03" | 1/2 | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/16" | 0.032" | 1/8 | Brass | 1,200 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/16" | 0.032" | 1/4 | Brass | 1,200 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/8" | 0.032" | 1/8 | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 00000000 | 00000 |
3/8" | 0.032" | 1/4 | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | 3/8 | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | 1/2 | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/8" | 0.032" | 3/4 | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 1/4 | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 3/8 | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 1/2 | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 3/4 | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 3/8 | Brass | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | Brass | 650 psi @ 73° F | SAE J512, SAE J513 | 000000000 | 00000 |
5/8" | 0.035" | 3/4 | Brass | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 00000000 | 00000 |
3/4" | 0.035" | 3/4 | Brass | 550 psi @ 73° F | SAE J512, SAE J513 | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: See table
For Tube | Socket Connection | |||||||
---|---|---|---|---|---|---|---|---|
OD | Wall Thick. | Copper Tube Size | For Tube OD | Material | Max. Pressure | Specifications Met | Each | |
1/4" | 0.03" | __ | 1/4" | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513 | 000000000 | 00000 |
1/4" | 0.03" | __ | 5/16" | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | 1/4 | 3/8" | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | __ | 1/4" | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/8" | 0.032" | __ | 5/16" | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/8" | 0.032" | 1/4 | 3/8" | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513 | 000000000 | 0000 |
3/8" | 0.032" | 3/8 | 1/2" | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
3/8" | 0.032" | 1/2 | 5/8" | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 1/4 | 3/8" | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
1/2" | 0.032" | 3/8 | 1/2" | Brass | 750 psi @ 72° F | SAE J512, SAE J513 | 000000000 | 00000 |
1/2" | 0.032" | 1/2 | 5/8" | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 3/8 | 1/2" | Brass | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | 5/8" | Brass | 650 psi @ 72° F | SAE J512, SAE J513 | 000000000 | 00000 |
5/8" | 0.035" | 5/8 | 3/4" | Brass | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 00000000 | 00000 |
3/4" | 0.035" | 5/8 | 3/4" | Brass | 550 psi @ 72° F | SAE J512, SAE J513 | 000000000 | 00000 |
3/4" | 0.035" | 3/4 | 7/8" | Brass | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
For Tube | |||||
---|---|---|---|---|---|
OD | Wall Thick. | Material | Max. Pressure | Each | |
1/8" | 0.03" | Brass | 2,800 psi @ 72° F | 000000000 | 00000 |
3/16" | 0.03" | Brass | 1,900 psi @ 72° F | 000000000 | 0000 |
1/4" | 0.03" | Brass | 1,400 psi @ 72° F | 000000000 | 0000 |
5/16" | 0.032" | Brass | 1,200 psi @ 72° F | 000000000 | 0000 |
3/8" | 0.032" | Brass | 1,000 psi @ 72° F | 000000000 | 0000 |
1/2" | 0.032" | Brass | 750 psi @ 72° F | 000000000 | 0000 |
5/8" | 0.035" | Brass | 650 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | Brass | 550 psi @ 72° F | 000000000 | 00000 |
7/8" | 0.035" | Brass | 550 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
For Tube (A) | For Tube (B) | ||||||
---|---|---|---|---|---|---|---|
OD | Wall Thick. | OD | Wall Thick. | Material | Max. Pressure | Each | |
3/8" | 0.032" | 1/4" | 0.03" | Brass | 1,000 psi @ 72° F | 000000000 | 000000 |
3/8" | 0.032" | 5/16" | 0.032" | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/4" | 0.03" | Brass | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/8" | 0.032" | Brass | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 3/8" | 0.032" | Brass | 650 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 1/2" | 0.032" | Brass | 650 psi @ 72° F | 000000000 | 00000 |

- For Use With:
Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water - Specifications Met: SAE J512, SAE J513, UL Listed
For Tube | |||||||||
---|---|---|---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Thread Size | Thread Pitch, mm | Material | Gasket Material | Max. Pressure | Each | |
NPTF Threads | |||||||||
1/8" | 0.03" | 1/8 | __ | __ | Brass | __ | 2,800 psi @ 72° F | 000000000 | 00000 |
3/16" | 0.03" | 1/8 | __ | __ | Brass | __ | 1,900 psi @ 72° F | 000000000 | 0000 |
1/4" | 0.03" | 1/8 | __ | __ | Brass | __ | 1,400 psi @ 72° F | 000000000 | 0000 |
1/4" | 0.03" | 1/4 | __ | __ | Brass | __ | 1,400 psi @ 72° F | 000000000 | 0000 |
1/4" | 0.03" | 3/8 | __ | __ | Brass | __ | 1,400 psi @ 72° F | 000000000 | 00000 |
1/4" | 0.03" | 1/2 | __ | __ | Brass | __ | 1,400 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/8 | __ | __ | Brass | __ | 1,200 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/4 | __ | __ | Brass | __ | 1,200 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 3/8 | __ | __ | Brass | __ | 1,200 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/8 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/4 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 0000 |
3/8" | 0.032" | 3/8 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/2 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 3/4 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/4 | __ | __ | Brass | __ | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/8 | __ | __ | Brass | __ | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/2 | __ | __ | Brass | __ | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/4 | __ | __ | Brass | __ | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 1/4 | __ | __ | Brass | __ | 650 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 3/8 | __ | __ | Brass | __ | 650 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | __ | __ | Brass | __ | 650 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 3/4 | __ | __ | Brass | __ | 650 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | 1/2 | __ | __ | Brass | __ | 550 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | 3/4 | __ | __ | Brass | __ | 550 psi @ 72° F | 000000000 | 00000 |
Metric Threads | |||||||||
5/8" | 0.035" | __ | M27 | 2 | Brass | Fluoroelastomer Rubber | 650 psi @ 72° F | 000000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||||||
3/4" | 0.035" | __ | 1 1/16"-12 | __ | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
For Tube | ||||||
---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | ||||||
1/4" | 0.03" | 1/8 | Brass | 1,400 psi @ 72° F | 000000000 | 00000 |
1/4" | 0.03" | 1/4 | Brass | 1,400 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/8 | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/4 | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/8 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/4 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 3/8 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/2 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/8 | Brass | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/2 | Brass | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/4 | Brass | 750 psi @ 72° F | 00000000 | 00000 |
5/8" | 0.035" | 1/2 | Brass | 650 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 3/4 | Brass | 650 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
Fittings that swivel until tightened rotate 360° for easy installation.
For Tube OD | Thread Size | Material | Gasket Material | Max. Pressure | Each | |
UN/UNF (SAE Straight) Threads | ||||||
---|---|---|---|---|---|---|
1/4" | 7/16"-20 | Brass | Fluoroelastomer Rubber | 1,400 psi @ 72° F | 000000000 | 000000 |
3/8" | 5/8"-18 | Brass | Fluoroelastomer Rubber | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 3/4"-16 | Brass | Fluoroelastomer Rubber | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 7/8"-14 | Brass | Fluoroelastomer Rubber | 650 psi @ 72° F | 000000000 | 00000 |
3/4" | 1 1/16"-14 | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
For Tube | |||||
---|---|---|---|---|---|
OD | Wall Thick. | Material | Max. Pressure | Each | |
1/8" | 0.03" | Brass | 2,800 psi @ 72° F | 000000000 | 000000 |
3/16" | 0.03" | Brass | 1,900 psi @ 72° F | 000000000 | 00000 |
1/4" | 0.03" | Brass | 1,400 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | Brass | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | Brass | 650 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | Brass | 550 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
For Tube | |||||||||
---|---|---|---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Thread Size | Thread Pitch, mm | Material | Gasket Material | Max. Pressure | Each | |
NPTF Threads | |||||||||
1/4" | 0.03" | 1/8 | __ | __ | Brass | __ | 1,400 psi @ 72° F | 000000000 | 00000 |
1/4" | 0.03" | 1/4 | __ | __ | Brass | __ | 1,400 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/8 | __ | __ | Brass | __ | 1,200 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/4 | __ | __ | Brass | __ | 1,200 psi @ 72° F | 00000000 | 00000 |
3/8" | 0.032" | 1/8 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/4 | __ | __ | Brass | __ | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/4 | __ | __ | Brass | __ | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 3/8 | __ | __ | Brass | __ | 650 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | __ | __ | Brass | __ | 650 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | 1/2 | __ | __ | Brass | __ | 550 psi @ 72° F | 000000000 | 00000 |
Metric Threads | |||||||||
1/2" | 0.032" | __ | M16 | 1.5 | Brass | Fluoroelastomer Rubber | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | __ | M27 | 2 | Brass | Fluoroelastomer Rubber | 650 psi @ 72° F | 000000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||||||
1/2" | 0.032" | __ | 3/4"-16 | __ | Brass | Fluoroelastomer Rubber | 750 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | __ | 3/4"-16 | __ | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | __ | 1 1/16"-12 | __ | Brass | Fluoroelastomer Rubber | 550 psi @ 72° F | 00000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
Inline tees are also known as branch tees.
For Tube | ||||||
---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | ||||||
1/8" | 0.03" | 1/8 | Brass | 2,800 psi @ 72° F | 000000000 | 000000 |
3/16" | 0.03" | 1/8 | Brass | 1,900 psi @ 72° F | 000000000 | 00000 |
1/4" | 0.03" | 1/8 | Brass | 1,400 psi @ 72° F | 000000000 | 00000 |
1/4" | 0.03" | 1/4 | Brass | 1,400 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/8 | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/4 | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/4 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 3/8 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/2 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/8 | Brass | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/2 | Brass | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | Brass | 650 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
Inline tees are also known as branch tees.

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
Right-angle tees are also known as run tees.
For Tube | ||||||
---|---|---|---|---|---|---|
OD | Wall Thick. | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | ||||||
1/4" | 0.03" | 1/8 | Brass | 1,400 psi @ 72° F | 000000000 | 000000 |
1/4" | 0.03" | 1/4 | Brass | 1,400 psi @ 72° F | 000000000 | 00000 |
5/16" | 0.032" | 1/4 | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/4 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 3/8 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | 1/2 | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 3/8 | Brass | 750 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | 1/2 | Brass | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | 1/2 | Brass | 650 psi @ 72° F | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed
For Tube | |||||
---|---|---|---|---|---|
OD | Wall Thick. | Material | Max. Pressure | Each | |
3/16" | 0.03" | Brass | 1,900 psi @ 72° F | 000000000 | 000000 |
1/4" | 0.03" | Brass | 1,400 psi @ 72° F | 000000000 | 0000 |
5/16" | 0.032" | Brass | 1,200 psi @ 72° F | 000000000 | 00000 |
3/8" | 0.032" | Brass | 1,000 psi @ 72° F | 000000000 | 00000 |
1/2" | 0.032" | Brass | 750 psi @ 72° F | 000000000 | 00000 |
5/8" | 0.035" | Brass | 650 psi @ 72° F | 000000000 | 00000 |
3/4" | 0.035" | Brass | 550 psi @ 72° F | 000000000 | 000000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water;
except caps for 1/8" tube OD are only for use with refrigerant - Specifications Met: See table
For Tube | ||||||
---|---|---|---|---|---|---|
OD | Wall Thick. | Material | Max. Pressure | Specifications Met | Each | |
1/8" | 0.03" | Brass | 2,800 psi @ 73° F | __ | 000000000 | 00000 |
3/16" | 0.03" | Brass | 1,900 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/4" | 0.03" | Brass | 1,400 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
5/16" | 0.032" | Brass | 1,200 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/8" | 0.032" | Brass | 1,000 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
1/2" | 0.032" | Brass | 750 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
5/8" | 0.035" | Brass | 650 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 0000 |
3/4" | 0.035" | Brass | 550 psi @ 72° F | SAE J512, SAE J513, UL Listed | 000000000 | 00000 |

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water
- Specifications Met: SAE J512, SAE J513, UL Listed



- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water; except nuts for 1" tube OD are not for use with fuel oil
- Specifications Met: SAE J512, SAE J513, UL Listed; except nuts for 1" tube OD meet SAE J512 and SAE J513 only
For Tube | |||||||
---|---|---|---|---|---|---|---|
OD | Wall Thick. | Nut Material | Max. Pressure | Lg. | Each | ||
Short Nuts | |||||||
A | 1/8" | 0.03" | Brass | 2,800 psi @ 72° F | 1/2" | 000000000 | 00000 |
A | 3/16" | 0.035" | Brass | 1,900 psi @ 72° F | 5/8" | 000000000 | 0000 |
A | 1/4" | 0.049" | Brass | 1,400 psi @ 72° F | 3/4" | 000000000 | 0000 |
A | 5/16" | 0.049" | Brass | 1,200 psi @ 72° F | 7/8" | 000000000 | 0000 |
A | 3/8" | 0.032" | Brass | 1,000 psi @ 72° F | 29/32" | 000000000 | 0000 |
A | 3/8" | 0.065" | Brass | 1,000 psi @ 72° F | 1" | 000000000 | 0000 |
A | 1/2" | 0.032" | Brass | 750 psi @ 72° F | 1" | 000000000 | 0000 |
A | 1/2" | 0.083" | Brass | 750 psi @ 72° F | 1 1/8" | 000000000 | 0000 |
A | 5/8" | 0.035" | Brass | 650 psi @ 72° F | 1 1/16" | 000000000 | 00000 |
A | 5/8" | 0.095" | Brass | 650 psi @ 72° F | 1 5/16" | 000000000 | 00000 |
A | 3/4" | 0.035" | Brass | 550 psi @ 72° F | 1 5/32" | 000000000 | 00000 |
A | 3/4" | 0.109" | Brass | 550 psi @ 72° F | 1 1/2" | 000000000 | 00000 |
A | 7/8" | Not Rated | Brass | 450 psi @ 72° F | 1 5/8" | 00000000 | 00000 |
A | 1" | 0.035" | Brass | 350 psi @ 73° F | 1 13/16" | 000000000 | 00000 |
B | 1/4" | 0.03" | Brass | 1,400 psi @ 72° F | 5/8" | 00000000 | 0000 |
B | 1/2" | 0.032" | Brass | 750 psi @ 72° F | 27/32" | 000000000 | 0000 |
B | 5/8" | 0.035" | Brass | 650 psi @ 72° F | 31/32" | 000000000 | 00000 |
Long Nuts | |||||||
A | 1/8" | 0.03" | Brass | 2,800 psi @ 72° F | 3/4" | 000000000 | 0000 |
A | 3/16" | 0.035" | Brass | 1,900 psi @ 72° F | 13/16" | 000000000 | 0000 |
A | 1/4" | 0.049" | Brass | 1,400 psi @ 72° F | 15/16" | 000000000 | 0000 |
A | 5/16" | 0.049" | Brass | 1,200 psi @ 72° F | 1 1/8" | 000000000 | 0000 |
A | 3/8" | 0.065" | Brass | 1,000 psi @ 72° F | 1 5/16" | 000000000 | 0000 |
A | 1/2" | 0.083" | Brass | 750 psi @ 72° F | 1 5/8" | 000000000 | 00000 |
A | 5/8" | 0.095" | Brass | 650 psi @ 72° F | 1 7/8" | 000000000 | 00000 |
A | 3/4" | 0.109" | Brass | 550 psi @ 72° F | 2 3/16" | 000000000 | 00000 |
Nuts for 45° Flared Fittings for Copper and Brass Tubing



- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Mineral Oil, Refrigerant, Water; except nuts for 1" tube OD are not for use with fuel oil
- Temperature Range: -65° to 250° F
- Tubing: Use with seamless brass and copper that meets ASTM B280
- Specifications Met: SAE J512, SAE J513, UL Listed; except nuts for 1" tube OD meet SAE J512 and SAE J513 only
Use these nuts with 45° flared tube fittings to provide a tight metal-to-metal seal on flared copper and brass tubing. Nuts are brass for good corrosion resistance. They don’t require a sleeve, which makes for a fast, convenient installation.
Long nuts support more of the tube’s surface area than short nuts for a strong grip in high-vibration applications.
For technical drawings and 3-D models, click on a part number.
For Tube | |||||||
---|---|---|---|---|---|---|---|
OD | Wall Thick. | Nut Material | Max. Pressure | Lg. | Each | ||
Short Nuts | |||||||
A | 1/8" | 0.03" | Brass | 2,800 psi @ 72° F | 1/2" | 000000000 | 00000 |
A | 3/16" | 0.035" | Brass | 1,900 psi @ 72° F | 5/8" | 000000000 | 0000 |
A | 1/4" | 0.049" | Brass | 1,400 psi @ 72° F | 3/4" | 000000000 | 0000 |
A | 5/16" | 0.049" | Brass | 1,200 psi @ 72° F | 7/8" | 000000000 | 0000 |
A | 3/8" | 0.032" | Brass | 1,000 psi @ 72° F | 29/32" | 000000000 | 0000 |
A | 3/8" | 0.065" | Brass | 1,000 psi @ 72° F | 1" | 000000000 | 0000 |
A | 1/2" | 0.032" | Brass | 750 psi @ 72° F | 1" | 000000000 | 0000 |
A | 1/2" | 0.083" | Brass | 750 psi @ 72° F | 1 1/8" | 000000000 | 0000 |
A | 5/8" | 0.035" | Brass | 650 psi @ 72° F | 1 1/16" | 000000000 | 00000 |
A | 5/8" | 0.095" | Brass | 650 psi @ 72° F | 1 5/16" | 000000000 | 00000 |
A | 3/4" | 0.035" | Brass | 550 psi @ 72° F | 1 5/32" | 000000000 | 00000 |
A | 3/4" | 0.109" | Brass | 550 psi @ 72° F | 1 1/2" | 000000000 | 00000 |
A | 7/8" | Not Rated | Brass | 450 psi @ 72° F | 1 5/8" | 00000000 | 00000 |
A | 1" | 0.035" | Brass | 350 psi @ 73° F | 1 13/16" | 000000000 | 00000 |
B | 1/4" | 0.03" | Brass | 1,400 psi @ 72° F | 5/8" | 00000000 | 0000 |
B | 1/2" | 0.032" | Brass | 750 psi @ 72° F | 27/32" | 000000000 | 0000 |
B | 5/8" | 0.035" | Brass | 650 psi @ 72° F | 31/32" | 000000000 | 00000 |
Long Nuts | |||||||
A | 1/8" | 0.03" | Brass | 2,800 psi @ 72° F | 3/4" | 000000000 | 0000 |
A | 3/16" | 0.035" | Brass | 1,900 psi @ 72° F | 13/16" | 000000000 | 0000 |
A | 1/4" | 0.049" | Brass | 1,400 psi @ 72° F | 15/16" | 000000000 | 0000 |
A | 5/16" | 0.049" | Brass | 1,200 psi @ 72° F | 1 1/8" | 000000000 | 0000 |
A | 3/8" | 0.065" | Brass | 1,000 psi @ 72° F | 1 5/16" | 000000000 | 0000 |
A | 1/2" | 0.083" | Brass | 750 psi @ 72° F | 1 5/8" | 000000000 | 00000 |
A | 5/8" | 0.095" | Brass | 650 psi @ 72° F | 1 7/8" | 000000000 | 00000 |
A | 3/4" | 0.109" | Brass | 550 psi @ 72° F | 2 3/16" | 000000000 | 00000 |