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 5990-00-728-8248
NSN 5910-00-584-4614
NSN 5945-01-513-5162
NSN 2925-01-394-5650
NSN 6650-00-401-1496
NSN 6240-00-448-5423
NSN 6685-01-063-7425
NSN 4140-00-947-3918
NSN 6105-01-170-1139
NSN 6135-00-782-6988
NSN 5925-01-634-0664
NSN 5925-01-640-7347