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 5935-01-204-0581
NSN 2925-01-440-9912
NSN 5920-00-513-4546
NSN 6240-00-443-8000
NSN 6685-00-752-1868
NSN 6220-01-531-4502
NSN 6685-01-412-0767
NSN 5915-00-283-8670
NSN 6650-01-290-4001
NSN 5925-01-368-3723
NSN 5910-00-964-7714
NSN 6320-00-089-9426