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 4140-01-555-8190
NSN 5835-00-740-0246
NSN 6650-00-820-4577
NSN 5990-01-361-1620
NSN 6150-00-264-0735
NSN 5999-01-601-4239
NSN 6645-01-298-4662
NSN 6130-01-027-1832
NSN 5975-00-183-7693
NSN 5950-01-050-2332
NSN 5965-01-289-5729
NSN 5999-01-338-7247