A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.
Classification: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5990-00-721-3928
NSN 6685-01-376-2291
NSN 5996-00-772-1956
NSN 6650-01-193-8983
NSN 4140-01-274-8854
NSN 6650-00-575-7487
NSN 7035-01-190-7332
NSN 5835-01-439-0180
NSN 5945-01-435-3866
NSN 6620-01-051-2045
NSN 5935-00-483-7308
NSN 6650-00-466-1697