Must have magnetic inspection per specification ams 2640
A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.
Classification: Washers other than lock washers, iron or steel
NSN 5905-01-517-6617
NSN 7035-00-703-3535
NSN 5950-01-319-7660
NSN 5950-00-057-5027
NSN 6150-01-229-4957
NSN 6220-00-968-6665
NSN 5935-00-276-5326
NSN 5925-01-383-4076
NSN 5935-01-451-9332
NSN 5975-01-213-0146
NSN 6685-01-074-5319
NSN 5855-01-152-0506