Connection Style Connection Style |
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Compression |
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Flared |
Shape Shape |
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![]() | Straight |
Connection Type Connection Type |
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![]() | Tube |
Maximum Pressure Maximum Pressure |
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Material Material |
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Sleeve Material Sleeve Material |
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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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Length Length | Show |
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Length Length | Hide |
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For Use With For Use With |
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For Tube Fabrication For Tube Fabrication |
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Sleeve Finish Sleeve Finish |
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Finish Finish |
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Maximum Vacuum Maximum Vacuum |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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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Nuts for Nickel-Plated Brass Compression Fittings for Copper Tubing

- For Use With: Air, Cutting Oil, Diesel Fuel, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Lubricants, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -75° to 550° F
- Tubing: Use with copper
- Specifications Met: DIN 3870
Create a strong seal on copper tubing when you couple these nuts with compression sleeves and fittings. Made of nickel-plated brass, they resist corrosion better than plain brass. All meet DIN 3870, which is an international standard for tube fitting dimensions.
For technical drawings and 3-D models, click on a part number.
For Tube | ||||||
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OD, mm | Wall Thickness, mm | Nut Material | Maximum Pressure | Length, mm | Each | |
Short Nuts | ||||||
14 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 19 | 00000000 | 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.
Inch × metric sleeve adapters convert the fitting from inch to metric.
For technical drawings and 3-D models, click on a part number.
For Tube OD | |||||
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Inch | Metric, mm | Sleeve Material | Max. Pressure | Each | |
Inch × Metric Sleeve Adapters | |||||
7/8" | 20 | Zinc-Plated Steel | 2,500 psi @ 72° F | 000000000 | 00000 |