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Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ISO 8434, MIL-F-18866, SAE J514
Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on tubing that is flared to 37°. They can handle higher pressures than 45° flared fittings. Fittings are brass for good corrosion resistance. They require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.
Straight Adapters, Tube × Male Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 3/16" | 1/8 | 360 Brass | Not Rated | 000000000 | 00000 |
| 1/4" | 1/8 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 1/4" | 1/8 | 360 Brass | 3,300 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 1/4" | 3/8 | 360 Brass | 2,900 psi @ 72° F | 000000000 | 0000 |
| 1/4" | 1/2 | 360 Brass | 2,900 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 1/8 | 360 Brass | 3,300 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 1/4 | 360 Brass | 2,900 psi @ 72° F | 000000000 | 00000 |
| 5/16" | 3/4 | 360 Brass | 1,800 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/8 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | 360 Brass | 3,300 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/2 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 1/4 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | 360 Brass | 3,300 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/4 | 360 Brass | 2,300 psi @ 72° F | 00000000 | 00000 |
| 5/8" | 1/2 | 360 Brass | 3,300 psi @ 72° F | 00000000 | 00000 |
| 3/4" | 1/2 | 360 Brass | Not Rated | 000000000 | 0000 |
| 3/4" | 3/4 | 360 Brass | 2,600 psi @ 72° F | 000000000 | 00000 |
| 1" | 1 | 360 Brass | 1,900 psi @ 72° F | 000000000 | 00000 |
Straight Adapters, Tube × Female Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 1/4 | 360 Brass | 2,900 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 1/4 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | 360 Brass | 3,200 psi @ 72° F | 000000000 | 00000 |
| 3/4" | 3/4 | 360 Brass | 2,600 psi @ 72° F | 000000000 | 00000 |
| 1" | 1 | 360 Brass | 1,900 psi @ 72° F | 000000000 | 00000 |
Straight Connectors, Tube
| For Tube OD | Lg. | Material | Max. Pressure | Each | |
| 1/8" | 1 11/64" | 360 Brass | 3,300 psi @ 72° F | 000000000 | 00000 |
| 3/16" | 1 15/64" | 360 Brass | 3,300 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 1 3/8" | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 1/4" | 2 13/64" | 360 Brass | 3,300 psi @ 72° F | 000000000 | 00000 |
| 5/16" | 1 3/8" | 360 Brass | 3,300 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 2 13/64" | 360 Brass | 3,300 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1 13/32" | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 2 9/32" | 360 Brass | 3,300 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1 7/16" | 360 Brass | 3,300 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 1 5/8" | 360 Brass | 3,200 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 1 57/64" | 360 Brass | 3,300 psi @ 72° F | 000000000 | 00000 |
| 3/4" | 2 5/32" | 360 Brass | 3,200 psi @ 72° F | 000000000 | 00000 |
| 1" | 2 1/4" | 360 Brass | 2,600 psi @ 72° F | 000000000 | 00000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | 360 Brass | 4,200 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | 360 Brass | 4,200 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 3/8 | 360 Brass | 2,900 psi @ 72° F | 000000000 | 00000 |
| 5/16" | 1/4 | 360 Brass | 2,900 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/4 | 360 Brass | 4,200 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 3/8 | 360 Brass | 4,200 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/2 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/4 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 3/8 | 360 Brass | 4,200 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | 360 Brass | 4,200 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 3/4 | 360 Brass | 2,300 psi @ 72° F | 000000000 | 00000 |
| 5/8" | 1/2 | 360 Brass | 1,800 psi @ 72° F | 00000000 | 00000 |
| 3/4" | 1/2 | 360 Brass | Not Rated | 000000000 | 00000 |
| 3/4" | 3/4 | 360 Brass | 2,600 psi @ 72° F | 000000000 | 00000 |
| 1" | 1 | 360 Brass | 1,900 psi @ 72° F | 000000000 | 00000 |
90° Elbow Adapters, Tube × Female Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | 360 Brass | 2,700 psi @ 72° F | 000000000 | 000000 |
| 1/4" | 1/4 | 360 Brass | 2,700 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/4 | 360 Brass | 2,700 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 3/8 | 360 Brass | 2,400 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 3/8 | 360 Brass | 1,600 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | 360 Brass | 1,600 psi @ 72° F | 000000000 | 00000 |
| 3/4" | 3/4 | 360 Brass | 1,600 psi @ 72° F | 000000000 | 000000 |
Nuts for 37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ISO 8434, MIL-F-18866, SAE J514
Use these nuts with a sleeve and fitting to provide a tight metal-to-metal seal on copper tubing that is flared to 37°. They are brass for good corrosion resistance.
Sleeves for 37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: MIL-F-18866, SAE J514, ISO 8434
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on copper tubing that is flared to 37°. Sleeves are brass for good corrosion resistance. They are also known as ferrules.