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Mil. Spec. Washers
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Choose these washers for their adherence to strict military standards for material and construction.
18-8 stainless steel and 321 stainless steel washers have excellent corrosion resistance in most environments. They may be mildly magnetic. Passivated 18-8 stainless steel washers have added protection against oxidation and corrosion.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Passivated 18-8 Stainless Steel | ||||||||
---|---|---|---|---|---|---|---|---|
NAS1149 | ||||||||
No. 2 | 0.099" | 0.250" | 0.014"-0.018" | Rockwell C25 | NAS1149-CN216R; AN960-C2L | 500 | 000000000 | 000000 |
No. 2 | 0.099" | 0.250" | 0.028"-0.036" | Rockwell B70 | NAS1149-CN232R; AN960-C2 | 500 | 000000000 | 00000 |
No. 3 | 0.105" | 0.250" | 0.014"-0.018" | Rockwell C25 | NAS1149-CN316R; AN960-C3L | 500 | 000000000 | 00000 |
No. 3 | 0.105" | 0.250" | 0.028"-0.036" | Rockwell B70 | NAS1149-CN332R; AN960-C3 | 500 | 000000000 | 00000 |
No. 4 | 0.125" | 0.312" | 0.014"-0.018" | Rockwell C25 | NAS1149-CN416R; AN960-C4L | 500 | 000000000 | 00000 |
No. 4 | 0.125" | 0.312" | 0.028"-0.036" | Rockwell B70 | NAS1149-CN432R; AN960-C4; ASME B18.21.1 | 500 | 000000000 | 00000 |
No. 6 | 0.149" | 0.375" | 0.014"-0.018" | Rockwell C25 | NAS1149-CN616R; AN960-C6L | 500 | 000000000 | 00000 |
No. 6 | 0.149" | 0.375" | 0.028"-0.036" | Rockwell B70 | NAS1149-CN632R; AN960-C6 | 500 | 000000000 | 00000 |
No. 8 | 0.174" | 0.375" | 0.014"-0.018" | Rockwell C25 | NAS1149-CN816R; AN960-C8L | 500 | 000000000 | 00000 |
No. 8 | 0.174" | 0.375" | 0.028"-0.036" | Rockwell B70 | NAS1149-CN832R; AN960-C8 | 500 | 000000000 | 00000 |
No. 10 | 0.203" | 0.438" | 0.028"-0.036" | Rockwell B70 | NAS1149-C0332R; AN960-C10L | 250 | 000000000 | 00000 |
No. 10 | 0.203" | 0.438" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0363R; AN960-C10 | 250 | 000000000 | 00000 |
1/4" | 0.265" | 0.500" | 0.028"-0.036" | Rockwell B70 | NAS1149-C0432R; AN960-C416L | 250 | 000000000 | 00000 |
1/4" | 0.265" | 0.500" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0463R; AN960-C416 | 100 | 000000000 | 00000 |
5/16" | 0.328" | 0.562" | 0.028"-0.036" | Rockwell B70 | NAS1149-C0532R; AN960-C516L | 100 | 000000000 | 00000 |
5/16" | 0.328" | 0.562" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0563R; AN960-C516 | 100 | 000000000 | 00000 |
3/8" | 0.390" | 0.625" | 0.028"-0.036" | Rockwell B70 | NAS1149-C0632R; AN960-C616L | 100 | 000000000 | 00000 |
3/8" | 0.390" | 0.625" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0663R; AN960-C616 | 100 | 000000000 | 00000 |
7/16" | 0.453" | 0.750" | 0.028"-0.036" | Rockwell B70 | NAS1149-C0732R; AN960-C716L | 100 | 000000000 | 00000 |
7/16" | 0.453" | 0.750" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0763R; AN960-C716 | 25 | 000000000 | 00000 |
1/2" | 0.515" | 0.875" | 0.028"-0.036" | Rockwell B70 | NAS1149-C0832R; AN960-C816L | 100 | 000000000 | 00000 |
1/2" | 0.515" | 0.875" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0863R; AN960-C816 | 50 | 000000000 | 00000 |
9/16" | 0.578" | 1.062" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0963R; AN960-C916 | 25 | 000000000 | 00000 |
5/8" | 0.640" | 1.188" | 0.057"-0.069" | Rockwell B70 | NAS1149-C1063R; AN960-C1016 | 25 | 000000000 | 00000 |
3/4" | 0.765" | 1.312" | 0.082"-0.098" | Rockwell B70 | NAS1149-C1290R; AN960-C1216 | 10 | 000000000 | 00000 |
7/8" | 0.890" | 1.500" | 0.082"-0.098" | Rockwell B70 | NAS1149-C1490R; AN960-C1416 | 10 | 000000000 | 00000 |
1" | 1.015" | 1.750" | 0.082"-0.098" | Rockwell B70 | NAS1149-C1690R; AN960-C1616 | 5 | 000000000 | 00000 |