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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Nuts, Materials, and Finishes
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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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Metric Brass Hex Nuts
Made from brass, these nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.
Nickel-plated brass nuts have excellent resistance to chemicals and salt water.
For technical drawings and 3-D models, click on a part number.
Metric Brass Thin Hex Nuts
Made from brass, these metric nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. About half the height of standard hex nuts, they are useful in low-clearance applications but have less tensile strength. Also known as jam nuts, they help prevent loosening from vibration when tightened in pairs. Two nuts jammed together also function as a gripping point on a threaded rod, so you can turn the rod without damaging the threads.
Nickel-plated brass nuts have excellent resistance to chemicals and salt water.
DIN 439B nuts are chamfered, so their edges are less sharp than DIN 936 nuts. DIN 439B was replaced by ISO 4035 but remains a common reference point. The ISO standard has slightly different tolerances for width.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Nickel-Plated Brass | |||||||
| M2 | 0.4 | 4 | 1.2 | DIN 439B, ISO 4035 | 25 | 000000000 | 00000 |
| M2.5 | 0.45 | 5 | 1.6 | DIN 439B, ISO 4035 | 25 | 000000000 | 0000 |
| M3 | 0.5 | 5.5 | 1.8 | DIN 439B, ISO 4035 | 25 | 000000000 | 0000 |
| M4 | 0.7 | 7 | 2.2 | DIN 439B, ISO 4035 | 25 | 000000000 | 0000 |
| M5 | 0.8 | 8 | 2.7 | DIN 439B, ISO 4035 | 25 | 000000000 | 0000 |
| M6 | 1 | 10 | 3.2 | DIN 439B, ISO 4035 | 10 | 000000000 | 0000 |
| M8 | 1.25 | 13 | 4 | DIN 439B, ISO 4035 | 10 | 000000000 | 0000 |
| M10 | 1.5 | 17 | 5 | DIN 439B, ISO 4035 | 5 | 000000000 | 0000 |
| M12 | 1.75 | 19 | 6 | DIN 439B, ISO 4035 | 1 | 000000000 | 0000 |
Low-Strength Steel Cap Nuts
Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. About half the strength of medium-strength steel cap nuts, use them in light duty fastening applications, such as securing access panels.
Nickel-plated steel cap nuts have excellent resistance to chemicals and salt water and have a decorative metallic finish.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||
|---|---|---|---|---|---|---|
| Size | Dp. | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Nickel-Plated Steel | ||||||
| 6-32 | 5/32" | 5/16" | 1/4" | 100 | 000000000 | 000000 |
| 8-32 | 5/32" | 5/16" | 1/4" | 100 | 000000000 | 00000 |
| 10-24 | 3/16" | 3/8" | 5/16" | 100 | 000000000 | 0000 |
| 10-32 | 3/16" | 3/8" | 5/16" | 100 | 000000000 | 00000 |
| 1/4"-20 | 1/4" | 7/16" | 3/8" | 100 | 000000000 | 00000 |
| 5/16"-18 | 5/16" | 9/16" | 15/32" | 50 | 000000000 | 00000 |
| 3/8"-16 | 3/8" | 5/8" | 1/2" | 25 | 000000000 | 0000 |
| 1/2"-13 | 1/2" | 3/4" | 9/16" | 25 | 000000000 | 00000 |
| 5/8"-11 | 5/8" | 15/16" | 13/16" | 10 | 000000000 | 00000 |
| 3/4"-10 | 3/4" | 1 1/8" | 1 1/8" | 1 | 000000000 | 0000 |
Brass Cap Nuts
These cap nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Also known as acorn nuts, they have a smooth rounded head that covers and protects threads while providing a finished appearance. All have excellent resistance to chemicals and salt water and have a decorative metallic finish.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||
|---|---|---|---|---|---|---|
| Size | Dp. | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Nickel-Plated Brass | ||||||
| 6-32 | 1/8" | 5/16" | 9/32" | 25 | 000000000 | 00000 |
| 8-32 | 1/8" | 5/16" | 9/32" | 25 | 000000000 | 0000 |
| 10-24 | 5/32" | 3/8" | 11/32" | 25 | 000000000 | 00000 |
| 10-32 | 5/32" | 3/8" | 11/32" | 25 | 000000000 | 00000 |
| 1/4"-20 | 5/32" | 7/16" | 3/8" | 25 | 000000000 | 00000 |
| 1/4"-28 | 5/32" | 7/16" | 3/8" | 10 | 000000000 | 0000 |
| 5/16"-18 | 7/32" | 9/16" | 7/16" | 10 | 000000000 | 00000 |
| 5/16"-24 | 9/32" | 9/16" | 7/16" | 25 | 000000000 | 00000 |
| 3/8"-16 | 1/4" | 5/8" | 1/2" | 10 | 000000000 | 00000 |
| 3/8"-24 | 5/16" | 5/8" | 1/2" | 10 | 000000000 | 0000 |
| 1/2"-20 | 3/8" | 3/4" | 9/16" | 5 | 000000000 | 0000 |
| 5/8"-11 | 7/16" | 15/16" | 3/4" | 1 | 000000000 | 0000 |
| 5/8"-18 | 7/16" | 15/16" | 3/4" | 1 | 000000000 | 0000 |
| 3/4"-10 | 1/2" | 1 1/16" | 7/8" | 1 | 000000000 | 00000 |
| 3/4"-16 | 1/2" | 1 1/16" | 7/8" | 1 | 000000000 | 00000 |
| 1"-8 | 5/8" | 1 7/16" | 1 1/4" | 1 | 000000000 | 00000 |
Brass Hex Panel Nuts
These panel nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. They can be fastened with a wrench for more torque while tightening than knurled panel nuts. Also known as dress nuts, they're extremely thin for use in tight spaces such as electrical panels.
Nickel-plated brass panel nuts have excellent resistance to chemicals and salt water.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Nickel-Plated Brass | |||||
|---|---|---|---|---|---|
| 1/8 | 1/2" | 1/8" | 10 | 000000000 | 00000 |
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Nickel-Plated Brass | |||||
|---|---|---|---|---|---|
| 1/4"-32 | 5/16" | 5/64" | 10 | 000000000 | 00000 |
| 1/4"-32 | 3/8" | 3/32" | 10 | 000000000 | 0000 |
| 5/16"-32 | 7/16" | 7/64" | 10 | 000000000 | 0000 |
| 3/8"-32 | 1/2" | 3/32" | 10 | 000000000 | 0000 |
| 7/16"-28 | 5/8" | 3/32" | 1 | 000000000 | 0000 |
| 15/32"-32 | 9/16" | 5/64" | 10 | 000000000 | 0000 |
| 15/32"-32 | 9/16" | 3/32" | 10 | 000000000 | 0000 |
| 1/2"-28 | 5/8" | 1/8" | 10 | 000000000 | 0000 |
Brass Sealing Nuts
These nickel-plated brass sealing nuts have good resistance to chemicals and salt water. A nickel plating provides additional corrosion resistance and a decorative metallic finish. They have a silicone seal that prevents leaks and seals out contaminants. All meet UL 50 for use on enclosures. Nuts are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Max. Pressure | Seal Temp. Range, °F | Specifications Met | Each | |
Nickel-Plated Brass | |||||||
|---|---|---|---|---|---|---|---|
| 6-32 | 1/2" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 00000 |
| 8-32 | 1/2" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 10-24 | 1/2" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 10-32 | 1/2" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 1/4"-20 | 5/8" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 1/4"-28 | 5/8" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 3/8"-16 | 5/8" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 3/8"-24 | 5/8" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
| 1/2"-20 | 3/4" | 7/32" | 6,000 psi | -100° to 400° | UL 50 | 000000000 | 0000 |
Cap Nut Assortments
Cover and protect threads while providing a finished appearance.
Nickel-plated steel cap nuts have excellent resistance to chemicals and salt water and have a decorative metallic finish.
| Number of Pieces | Sizes Included | Container Type | Each | |
Inch | ||||
|---|---|---|---|---|
Nickel-Plated Steel | ||||
| 200 | 6-32 to 3/8"-16 | Plastic Box | 000000000 | 000000 |
Push-On Retaining Caps
Use these caps to hold components in place and protect shaft ends. Install these caps with a hammer or push them into place by hand.
Nickel-plated finish has excellent corrosion resistance and a decorative appearance.
For technical drawings and 3-D models, click on a part number.
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 | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Nut Material | Maximum Pressure | Length, mm | Each | |
Short Nuts | ||||||
| 4 | 1 | Nickel-Plated Brass | 1,800 psi @ 72° F | 11 | 00000000 | 00000 |
| 6 | 1 | Nickel-Plated Brass | 2,500 psi @ 72° F | 12 | 00000000 | 000 |
| 8 | 1 | Nickel-Plated Brass | 2,100 psi @ 72° F | 12 | 00000000 | 000 |
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 16 | 00000000 | 0000 |
| 12 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 16 | 00000000 | 0000 |
| 14 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 19 | 00000000 | 0000 |
| 15 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 17 | 00000000 | 0000 |
Hose-Crimping Pliers
As you squeeze the handles, the vise-like jaws lock tightly onto the ferrule to secure barbed fittings onto your hose. To select the correct pliers, measure the hose OD and select the next larger size "For Hose OD" below.
For technical drawings and 3-D models, click on a part number.
| For Use With | For Hose OD | Lg. | Wd. | Material | Number of Jaw Holes | Each | |
| Air Hose, Water Hose | 7/16", 9/16" | 9" | 1/2" | Nickel-Plated Steel | 2 | 00000000 | 000000 |