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 5985-01-415-1510
NSN 6650-00-170-5095
NSN 2925-01-463-8856
NSN 6145-01-469-7222
NSN 6105-01-037-7109
NSN 6610-01-501-2024
NSN 5990-01-168-0820
NSN 6145-00-192-3094
NSN 5925-00-186-0765
NSN 5930-00-346-7071
NSN 7035-01-146-7096
NSN 6650-01-508-3651