MS20002 Military Standard washers are high strength, heat-treated washers which must be used with the MS/NAS twelve point and internal wrenching bolts. The chamfer matches the radius under the bolt head. Also good for use with heavy torquing loads where ordinary steel washers would gall.
- Material: Alloy steel
- Heat Treat: 125,000 to 145,000 (MIL-H-6875)
- Finish: Cadmium plating, Type II, Class 2.
Note: Although the MS20002 washer will fit over the shanks of standard NAS (1103/1303/6403 etc.) hexbolts, the washer ID is small enough that it will usually "crash" with the bolt head-to-shank radius. DO NOT USE MS20002 WASHERS UNDER THE HEAD OF STANDARD NAS HEX BOLTS.
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