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Mil. Spec. Washers
Choose these washers for their adherence to strict military standards for material and construction.
Cadmium- and zinc yellow-chromate plated steel washers are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
| For Screw Size  | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Cadmium-Plated Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
AN970/NASM970 | ||||||||
| No. 10 | 0.203" | 0.875" | 0.053"-0.073" | Rockwell B40 | AN970-3; NASM970 | 100 | 000000000 | 000000 |
| 1/4" | 0.265" | 1.125" | 0.053"-0.073" | Rockwell B40 | AN970-4; NASM970 | 50 | 000000000 | 00000 |
| 5/16" | 0.328" | 1.375" | 0.053"-0.073" | Rockwell B40 | AN970-5; NASM970 | 50 | 000000000 | 00000 |
| 3/8" | 0.390" | 1.625" | 0.053"-0.073" | Rockwell B40 | AN970-6; NASM970 | 25 | 000000000 | 00000 |
| 7/16" | 0.453" | 1.812" | 0.099"-0.119" | Rockwell B40 | AN970-7; NASM970 | 10 | 000000000 | 00000 |
| 1/2" | 0.515" | 2.000" | 0.099"-0.119" | Rockwell B40 | AN970-8; NASM970 | 10 | 000000000 | 00000 |
| 9/16" | 0.578" | 2.188" | 0.115"-0.135" | Rockwell B40 | AN970-9; NASM970 | 5 | 000000000 | 0000 |
| 5/8" | 0.640" | 2.375" | 0.115"-0.135" | Rockwell B40 | AN970-10; NASM970 | 5 | 000000000 | 00000 |