90.0 deg. By 0.125 in. Diameter countersink on hole
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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5910-00-735-9385
NSN 5960-01-436-4493
NSN 6130-01-231-3552
NSN 5905-01-218-3985
NSN 5999-01-364-9336
NSN 6610-00-264-0961
NSN 5950-01-472-2467
NSN 5945-01-445-4138
NSN 5920-01-378-8521
NSN 6650-00-930-4707
NSN 5915-01-621-7426
NSN 6130-01-561-3868