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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 | ||||||||
5/16" | 0.328" | 0.562" | 0.057"-0.069" | Rockwell B70 | NAS1149-C0563R; AN960-C516 | 100 | 000000000 | 000000 |