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 6110-00-132-1330
NSN 6130-01-112-4246
NSN 6685-00-273-7017
NSN 6105-01-124-0773
NSN 5925-01-467-8494
NSN 5975-00-111-3208
NSN 5965-01-104-0947
NSN 5935-00-903-3419
NSN 2925-00-833-9466
NSN 5990-01-200-2800
NSN 6110-01-234-9854
NSN 6645-00-081-4298