System of Measurement System of Measurement |
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Shape Shape |
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 | Straight |
Connection Style Connection Style |
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| Compression |
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| Flared |
For Tube Material For Tube Material |
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For Use With For Use With |
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Connection Type Connection Type |
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 | Tube |
Length Length | Show |
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Length Length | Hide |
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Sleeve Material Sleeve Material |
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Maximum Pressure Maximum Pressure |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Sleeve Color Sleeve Color |
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 | Black |
Maximum Vacuum Maximum Vacuum |
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Sleeve Finish Sleeve Finish |
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Vacuum Rating Vacuum Rating |
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Nut Material Nut 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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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.
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.
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.
Sleeves for Compression Fittings for Steel Tubing
- For Use With: Inch: Air, Hydraulic Fluid, Water
Metric: Hydraulic Fluid - Temperature Range: See table
- Tubing: Inch: Use with welded steel
Metric: Use with seamless steel - Specifications Met: Inch: SAE J514
Metric: ISO 8434, DIN 2353
Use these sleeves with compression nuts and fittings, sometimes called bite fittings, to create a strong seal on steel tubing. They are also known as ferrules.
Zinc-plated steel sleeves have fair corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Nuts with Built-In Sleeve for Quick-Assembly Brass
Compression Tube Fittings for Air and Water
- Tubing: Use with firm or hard nylon plastic, polyethylene plastic or polypropylene plastic
- Temperature Range: 0° to 150° F
For technical drawings and 3-D models, click on a part number.
Sleeves for Quick-Assembly Brass
Compression Tube Fittings for Air and Water
- Temperature Range: 0° to 150° F
- Tubing: Acetal plastic sleeves: Use with (firm or hard) polyethylene plastic or polypropylene plastic
Brass sleeves: Use with (firm or hard) nylon plastic, polyethylene plastic or polypropylene plastic
Use these to replace a damaged sleeve (ferrule) in quick-assembly brass compression nuts.
Acetal sleeves are softer than brass, so they won’t damage your tubing.
For technical drawings and 3-D models, click on a part number.