Thread Size Thread Size |
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Type Type |
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| Adapter | Reducing Adapter |
Connection Style Connection Style |
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| Flared |
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| Threaded |
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| Push to Connect |
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| O-Ring Face Seal |
For Use With For Use With |
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Maximum Pressure Maximum Pressure |
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Length Length |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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O-Ring Material O-Ring Material |
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How to Identify and Measure Fittings
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 Steel Tubing
- Tubing: Use with seamless steel
- Specifications Met: 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 require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately. Fittings are zinc-plated steel for fair corrosion resistance.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- For Use With: See Table
- Temperature Range: See Table
| For Tube OD | Pipe Size  | For Use With | Material | Max. Pressure | Temp. Range, °F | Each | |
NPTF Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/4" | 1/8 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 5,000 psi @ 72° F | -60° to 400° | 000000000 | 00000 |
| 1/4" | 1/4 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 5,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 5/16" | 1/8 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 5,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 3/8" | 1/4 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 5,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 3/8" | 3/8 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 5,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 1/2" | 3/8 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 4,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 1/2" | 1/2 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 4,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 5/8" | 1/2 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 3,000 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 3/4" | 3/4 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 3,300 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
| 1" | 1 | Air, Fuel Oil, Hydraulic Fluid, Mineral Oil | Zinc-Plated Steel | 3,500 psi @ 72° F | -60° to 400° | 000000000 | 0000 |
- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temperature Range: -60° to 400° F
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 1/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 1/2 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 1/2 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 3/4" | 3/4 | Zinc-Plated Steel | 2,500 psi @ 72° F | 000000000 | 0000 |
| 1" | 1 | Zinc-Plated Steel | 2,000 psi @ 72° F | 000000000 | 0000 |
- For Use With: NPTF, Metric, BSPP with O-Rings, BSPT: Air, Fuel, Oil, Hydraulic Fluid, Mineral Oil
BSPP with Washers: Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil - Temperature Range: NPTF and BSPT: -60° to 400° F
Metric and BSPP with O-Rings: -30° to 200°F
BSPP with Washers: -20° to 212° F
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 1/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 1/2 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 1/2 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 3/4" | 3/4 | Zinc-Plated Steel | 3,300 psi @ 72° F | 000000000 | 0000 |
| 1" | 1 | Zinc-Plated Steel | 3,500 psi @ 72° F | 000000000 | 0000 |
- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temperature Range: -60° to 400° F
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/4 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 1/2 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 00000 |
| 3/4" | 3/4 | Zinc-Plated Steel | 2,500 psi @ 72° F | 000000000 | 00000 |
| 1" | 1 | Zinc-Plated Steel | 2,000 psi @ 72° F | 000000000 | 00000 |
- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temperature Range: -60° to 400° F
| For Tube OD | Nut Material | Max. Pressure | Each | |
| 1/4" | Zinc-Plated Steel | 4,500 psi @ 72° F | 000000000 | 00000 |
| 5/16" | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 000 |
| 1/2" | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 3/4" | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 1" | Zinc-Plated Steel | 2,500 psi @ 72° F | 000000000 | 0000 |
- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temperature Range: -60° to 400° F
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on steel tubing that is flared to 37°. Sleeves are zinc-plated steel for fair corrosion resistance. They are also known as ferrules.
Sleeves for metric tube ODs convert the fitting from inch to metric.
For Tube OD | |||||
|---|---|---|---|---|---|
| Inch | Metric, mm | Sleeve Material | Max. Pressure | Each | |
Inch | |||||
| 1/4" | __ | Zinc-Plated Steel | 4,500 psi @ 72° F | 000000000 | 00000 |
| 5/16" | __ | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 000 |
| 3/8" | __ | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 000 |
| 1/2" | __ | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 000 |
| 5/8" | __ | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 3/4" | __ | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 1" | __ | Zinc-Plated Steel | 2,500 psi @ 72° F | 000000000 | 0000 |
Metric | |||||
| 1/4" | 6 | Zinc-Plated Steel | 4,500 psi @ 72° F | 000000000 | 0000 |
| 5/16" | 8 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 10 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 12 | Zinc-Plated Steel | 4,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 14 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 15 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 5/8" | 16 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
| 3/4" | 18 | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 0000 |
O-Ring Face Seal Fittings for Steel Tubing
- For Use With: Air, Hydraulic Fluid
- Temperature Range: -30° to 250° F, except BSPP fittings are -20° to 230° F
- Tubing: Use with seamless steel
- Specifications Met: SAE J1453
A tube adapter sits flush against the flat face of the fitting so you can slide the tubing and fitting sideways to disconnect in cramped spaces. Fittings are also known as zero-clearance fittings. To install, weld a tube adapter to the tubing with a brazing ring (sold separately), then mate the tube adapter to the fitting and screw on the nut. As the nut is tightened, the tube adapter compresses the O-ring, creating a strong seal. Fittings are zinc-plated steel for fair corrosion resistance. Nuts and tube adapters are sold separately.
For technical drawings and 3-D models, click on a part number.
Plastic Push-to-Connect Tube Fittings for Chemicals
- For Use With: Inch: Acetic Acid, Alcohol, Arsenic Acid, Benzoic Acid, Fluoboric Acid, Hydrochloric Acid, Nitric Acid, Sodium Carbonate, Sulfuric Acid
Metric: Acetic Acid, Alcohol, Arsenic Acid, Benzoic Acid, Fluoboric Acid, Sodium Carbonate, Sulfuric Acid - Temperature Range: Inch: 0° to 270° F
Metric: 32° to 175° F - Tubing: Use with hard (Durometer 55D-60D) FEP plastic
Also known as instant fittings, these chemical-resistant plastic fittings connect to tubing with a push, and an internal gripping ring and fluoroelastomer O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting.
PVDF fittings offer excellent chemical resistance, and can be used with hydrochloric acid and nitric acid. They withstand temperatures up to 270° F, higher than other push-to-connect fittings for chemicals. They are produced in a clean room and are bagged individually to prevent dirt and moisture from contaminating the inside. PVDF is also known as Kynar.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Material | Color | Release Ring Color | Max. Pressure | Each | |
| 1/4" | PVDF Plastic | Black | Gray | 300 psi @ 72° F | 00000000 | 00000 |
| For Tube OD (Push to Connect) | For Tube OD (Flared) | Material | Color | Release Ring Color | Max. Pressure | Each | |
| 3/8" | 1/4" | PVDF Plastic | Black | Gray | 300 psi @ 72° F | 00000000 | 00000 |