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 5935-00-239-6114
NSN 5915-01-556-4282
NSN 4140-01-119-2879
NSN 5915-01-591-5576
NSN 5935-01-409-0868
NSN 6150-01-023-8505
NSN 5925-00-150-1072
NSN 5960-01-628-2760
NSN 6105-01-250-7348
NSN 5920-01-455-7851
NSN 4140-01-342-7930
NSN 6150-01-370-4059