Heat treatment per mil-h-6875
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 4140-00-798-9144
NSN 5920-01-165-2909
NSN 5945-01-097-7759
NSN 5975-01-399-0655
NSN 5835-01-067-7770
NSN 5905-01-417-9759
NSN 6135-01-168-2944
NSN 5920-00-924-7348
NSN 6650-00-445-6990
NSN 5925-01-367-6118
NSN 6110-00-100-4775
NSN 5925-01-217-6009