System of Measurement System of Measurement |
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Connection Style Connection Style |
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Compression |
Length Length | Show |
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Length Length | Hide |
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Nut Material Nut Material |
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For Use With For Use With |
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Shape Shape |
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![]() | Straight |
Connection Type Connection Type |
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![]() | Tube |
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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Maximum Vacuum Maximum Vacuum |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Nut Style Nut Style |
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Sleeve Material Sleeve Material |
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For Tube Fabrication For Tube Fabrication |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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 Compression Fittings for Copper Tubing
Use these nuts with compression sleeves and fittings to create a strong seal on copper tubing. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -65° to 250° F, except metric fittings are -40° to 200° F
- Tubing: Use with copper
- Specifications Met: UL listed, except for metric fittings
For Tube | ||||||
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OD | Wall Thick. | Nut Material | Max. Pressure | Lg. | Each | |
Short Nuts | ||||||
8mm | Not Rated | Brass | 1,000 psi @ 72° F | 13mm | 0000000 | 00000 |
Sleeves for High-Pressure Compression Fittings for Steel Tubing

- For Use With: Hydraulic Fluid
- Temperature Range: -75° to 750° F
- Tubing: Use with seamless steel
- Specifications Met: ISO 8434, DIN 2353
Use these sleeves—also known as ferrules—with high-pressure compression nuts and fittings. They withstand about twice as much pressure as sleeves for standard compression fittings, so they’re good for hydraulic power applications. These sleeves bite into the steel tubing as you tighten the nut, creating a strong seal. All meet ISO 8434 (formerly DIN 2353), which is an international standard for tube fitting pressures.
For technical drawings and 3-D models, click on a part number.