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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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18-8 Stainless Steel Narrow Hex Nuts
These 18-8 stainless steel nuts have good chemical resistance and may be mildly magnetic. Also known as small-pattern hex nuts, they are about 20% narrower than standard hex nuts for use in tight spaces where standard hex nuts won’t fit.
Black-oxide nuts have a dark surface color.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||
|---|---|---|---|---|---|
| 0-80 | 1/8" | 3/64" | 50 | 000000000 | 00000 |
| 1-64 | 1/8" | 3/64" | 50 | 000000000 | 0000 |
| 1-72 | 7/64" | 1/16" | 5 | 000000000 | 00000 |
| 2-56 | 5/32" | 1/16" | 100 | 000000000 | 0000 |
| 4-40 | 3/16" | 1/16" | 100 | 000000000 | 0000 |
| 5-40 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 6-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-24 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-24 | 11/32" | 1/8" | 100 | 000000000 | 00000 |
| 10-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-32 | 11/32" | 1/8" | 100 | 000000000 | 00000 |
Black-Oxide 18-8 Stainless Steel | |||||
| 0-80 | 1/8" | 3/64" | 50 | 000000000 | 0000 |
| 4-40 | 3/16" | 1/16" | 100 | 000000000 | 0000 |
| 6-32 | 1/4" | 3/32" | 100 | 000000000 | 00000 |
| 8-32 | 1/4" | 3/32" | 100 | 000000000 | 00000 |
| 8-32 | 5/16" | 7/64" | 100 | 000000000 | 00000 |
| 10-24 | 5/16" | 7/64" | 100 | 000000000 | 00000 |
| 10-32 | 5/16" | 7/64" | 100 | 000000000 | 00000 |
Mil. Spec. 18-8 Stainless Steel Narrow Hex Nuts
Choose these nuts for their adherence to strict military standards for material and construction. They have good chemical resistance and may be mildly magnetic. Also known as small-pattern hex nuts, they are about 20% narrower than standard hex nuts for use in tight spaces where standard hex nuts won’t fit.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||
|---|---|---|---|---|---|---|
| 0-80 | 1/8" | 3/64" | Fed. Spec. FF-N-836, NAS671C0 | 10 | 000000000 | 000000 |
| 2-56 | 5/32" | 1/16" | Fed. Spec. FF-N-836, NAS671C2 | 10 | 000000000 | 00000 |
| 4-40 | 3/16" | 1/16" | Fed. Spec. FF-N-836, NAS671C4 | 10 | 000000000 | 00000 |
| 6-32 | 1/4" | 3/32" | Fed. Spec. FF-N-836, NAS671C6 | 10 | 000000000 | 00000 |
| 8-32 | 5/16" | 7/64" | Fed. Spec. FF-N-836, NAS671C8 | 10 | 000000000 | 00000 |
| 10-32 | 11/32" | 1/8" | Fed. Spec. FF-N-836, NAS671C10 | 5 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel Narrow Hex Nuts
These nuts have excellent chemical resistance and can be used in saltwater environments. Also known as small-pattern hex nuts, they are about 20% narrower than standard hex nuts for use in tight spaces where standard hex nuts won’t fit. Nuts may be mildly magnetic.
Black-oxide nuts have a dark surface color and reduce reflection in areas with bright light.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||
|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd. | Ht. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||
| 4-40 | __ | 3/16" | 1/16" | 1 | 000000000 | 00000 |
| 5-40 | __ | 1/4" | 3/32" | 1 | 000000000 | 0000 |
| 6-32 | __ | 1/4" | 3/32" | 1 | 000000000 | 0000 |
| 8-32 | __ | 1/4" | 3/32" | 50 | 000000000 | 00000 |
| 8-32 | __ | 5/16" | 7/64" | 1 | 000000000 | 0000 |
| 10-24 | __ | 1/4" | 3/32" | 1 | 000000000 | 0000 |
| 10-24 | __ | 5/16" | 7/64" | 50 | 000000000 | 00000 |
| 10-24 | __ | 11/32" | 1/8" | 1 | 000000000 | 0000 |
| 10-32 | __ | 1/4" | 3/32" | 1 | 000000000 | 0000 |
| 10-32 | __ | 5/16" | 7/64" | 50 | 000000000 | 00000 |
| 10-32 | __ | 11/32" | 1/8" | 1 | 000000000 | 0000 |
| M3 | 0.5 | 5mm | 1.7mm | 1 | 000000000 | 0000 |
| M3.5 | 0.6 | 5.5mm | 2.5mm | 1 | 000000000 | 0000 |
| M4 | 0.7 | 5.5mm | 2.5mm | 1 | 000000000 | 0000 |
| M4 | 0.7 | 7mm | 2.9mm | 1 | 000000000 | 0000 |
| M5 | 0.8 | 7mm | 2.5mm | 1 | 000000000 | 0000 |
| M5 | 0.8 | 7.5mm | 2.9mm | 1 | 000000000 | 0000 |
Black-Oxide 316 Stainless Steel | ||||||
| M3 | 0.5 | 5mm | 1.7mm | 1 | 000000000 | 0000 |
| M4 | 0.7 | 5.5mm | 2.5mm | 1 | 000000000 | 0000 |
| M4 | 0.7 | 7mm | 2.9mm | 1 | 000000000 | 0000 |
| M5 | 0.8 | 7mm | 2.5mm | 1 | 000000000 | 0000 |
Steel Narrow Hex Nuts
Also known as small-pattern hex nuts, these are about 20% narrower than standard hex nuts for use in tight spaces where standard hex nuts won’t fit.
Black-oxide steel nuts have a dark surface color and are mildly corrosion resistant in dry environments.
Zinc-plated steel nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||
|---|---|---|---|---|---|
| 4-40 | 3/16" | 1/16" | 100 | 000000000 | 00000 |
| 6-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 10-24 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
Zinc-Plated Steel | |||||
| 4-40 | 3/16" | 1/16" | 100 | 000000000 | 0000 |
| 5-40 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 6-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-24 | 1/4" | 3/32" | 50 | 000000000 | 0000 |
| 10-24 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 10-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
Steel | |||||
| 4-40 | 3/16" | 1/16" | 100 | 000000000 | 0000 |
Brass Narrow Hex Nuts
Made from brass, these nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Also known as small-pattern hex nuts, they are about 20% narrower than standard hex nuts for use in tight spaces where standard hex nuts won’t fit.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Brass | |||||
|---|---|---|---|---|---|
| 0-80 | 3/32" | 3/64" | 10 | 000000000 | 000000 |
| 1-72 | 7/64" | 1/16" | 10 | 000000000 | 00000 |
| 2-56 | 1/8" | 5/64" | 10 | 000000000 | 00000 |
| 2-56 | 5/32" | 1/16" | 100 | 000000000 | 0000 |
| 4-40 | 3/16" | 1/16" | 100 | 000000000 | 0000 |
| 6-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 1/4" | 3/32" | 100 | 000000000 | 0000 |
| 8-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-24 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
| 10-24 | 11/32" | 1/8" | 100 | 000000000 | 00000 |
| 10-32 | 5/16" | 7/64" | 100 | 000000000 | 0000 |
