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 5960-01-462-1864
NSN 5990-01-633-9503
NSN 6130-00-303-3985
NSN 6145-01-582-2210
NSN 4140-01-144-7711
NSN 6240-00-522-3998
NSN 6685-01-582-7586
NSN 6110-01-075-1124
NSN 6650-01-329-8020
NSN 6650-01-461-4807
NSN 6645-01-432-1068
NSN 7035-00-535-8109