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DFARS Specialty Metals
Export Control Classification Number (ECCN)
Jack Screws
Screw
Screw with Hex Nut,
Lock Washer,
and Flat Washers
Lock Washer,
and Flat Washers
Secure computer cables and panels. Zinc yellow-chromate plated and zinc-plated finish provide some corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Thread (A) | Thread (B) | Screws | Screws with Hex Nut, Lock Washer, and Two Flat Washers | ||||||
|---|---|---|---|---|---|---|---|---|---|
Size | Lg. | Size | Min. Lg. | Lg. | Pkg. Qty. | Pkg. | Pkg. | ||
Zinc Yellow-Chromate Plated 12L14 Steel | |||||||||
3/16" Hex Size | |||||||||
| 4-40 | 3/16" | 4-40 | 0.1" | 3/16" | 25 | 000000000 | 000000 | 000000000 | 000000 |
| 4-40 | 1/4" | 4-40 | 0.1" | 3/16" | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 5/16" | 4-40 | 0.1" | 3/16" | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 3/8" | 4-40 | 0.1" | 3/16" | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 7/16" | 4-40 | 0.1" | 3/16" | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 1/2" | 4-40 | 0.1" | 3/16" | 10 | 000000000 | 0000 | 000000000 | 00000 |
| 4-40 | 9/16" | 4-40 | 0.1" | 3/16" | 10 | 000000000 | 0000 | 000000000 | 00000 |
| 4-40 | 5/8" | 4-40 | 0.1" | 3/16" | 10 | 000000000 | 0000 | 000000000 | 00000 |
Zinc-Plated 12L14 Steel | |||||||||
3/16" Hex Size | |||||||||
| 4-40 | 1/8" | 4-40 | 0.1" | 3/16" | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 3/4" | 4-40 | 0.1" | 3/16" | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 7/8" | 4-40 | 0.1" | 3/16" | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 4-40 | 1" | 4-40 | 0.1" | 3/16" | 10 | 000000000 | 00000 | 000000000 | 00000 |