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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Sleeves for 37° Flared Fittings for Stainless Steel Tubing
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
- Tubing: Use with seamless or welded 304 or 316 stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Specifications Met: ISO 8434, SAE J514
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. Sleeves are 316 stainless steel for excellent corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube OD | |||
|---|---|---|---|
| Inch | Sleeve Material | Each | |
Inch | |||
| 3/4" | 316 Stainless Steel | 000000000 | 000000 |
Sleeves for Precision AN 37° Flared Fittings for Stainless Steel Tubing
- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -320° to 1200° F
- Tubing: Use with seamless 304 or 316 stainless steel
- Specifications Met: See Table
Use these sleeves with precision AN nuts and fittings to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. They are also known as ferrules.
304 stainless steel sleeves have very good corrosion resistance. 316 stainless steel sleeves have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Nuts with Built-In Sleeve for Quick-Assembly
Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -65° to 250° F
- Tubing: Use with copper
Use these nuts with quick-assembly compression fittings to create a strong seal on copper tubing. They have a built-in sleeve (ferrule), so the sleeve is positioned correctly for installation. Thread the nut onto the fitting, then insert the tubing and tighten the nut. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Nut Material | Sleeve Material | Max. Pressure | Each | |
| 3/16" | Brass | Brass | 2,800 psi @ 72° F | 000000000 | 00000 |
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.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Sleeve Material | Each | |
| 3/4" | 360 Brass | 000000000 | 00000 |
Sleeves for 37° Flared Fittings for Steel Tubing
- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temp. Range: -60° to 400° F
- Tubing: Use with seamless steel
- Specifications Met: SAE J514
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.
For technical drawings and 3-D models, click on a part number.
For Tube OD | ||||
|---|---|---|---|---|
| Inch | Sleeve Material | Max. Pressure | Each | |
Inch Sleeves | ||||
| 3/4" | Zinc-Plated Steel | 3,000 psi @ 72° F | 000000000 | 00000 |
Sleeves for 37° Flared Fittings for Aluminum Tubing
- For Use With: Air, Coolant, Gasoline, Hydraulic Fluid, Water
- Temperature Range: -60° to 350° F
- Tubing: Use with seamless aluminum
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on aluminum tubing that is flared to 37°. Sleeves are aluminum, which is lightweight with good corrosion resistance. They are also known as ferrules
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Sleeve Material | Max. Pressure | Each | |
| 3/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
Nuts with Built-In Sleeve for High-Temperature
Compression Tube Fittings for Food and Beverage
- Temperature Range: -40° to 270° F
- Tubing: Use with firm or hard (Durometer 45D-65D) nylon plastic, polyethylene plastic, or polypropylene plastic
- Specifications Met: FDA Compliant 21 CFR 177.2510, NSF/ANSI 51, NSF/ANSI 61, USP Class VI
Use these nuts with high-temperature compression fittings for food and beverage to create a seal on plastic tubing. They have a built-in sleeve (ferrule), so the sleeve is positioned correctly for installation. Thread the nut onto the fitting, then insert the tubing and tighten the nut. Nuts are PVDF (also known as Kynar), which has excellent strength and can handle high temperatures up to 270° F.
For technical drawings and 3-D models, click on a part number.
Nut | Sleeve | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Material | Color | Material | Color | Max. Pressure | Each | |
| 5/16" | PVDF Plastic | White | PVDF Plastic | White | 50 psi @ 72° F | 00000000 | 00000 |
Crimp-On Ferrules for Welding Hose
Use ferrules to create a permanent connection between your welding hose and barbed hose fittings. You will need a hose crimper (sold separately) for installation. Ferrules are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| Hose End ID | Lg. | Each | |
Brass | |||
|---|---|---|---|
| 0.478" | 11/16" | 000000000 | 00000 |