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 6685-00-932-0391
NSN 5975-01-034-5872
NSN 5985-01-521-3230
NSN 6145-01-634-0388
NSN 6220-01-023-0394
NSN 4140-01-157-8882
NSN 5975-00-200-2002
NSN 6135-01-633-2066
NSN 5910-01-179-3755
NSN 5950-01-102-2789
NSN 5925-01-379-4109
NSN 2925-00-441-8252