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 5905-01-526-5786
NSN 5996-00-964-9400
NSN 5895-00-518-1593
NSN 6620-01-220-2934
NSN 5960-01-085-0604
NSN 6685-01-178-9369
NSN 6650-00-191-9000
NSN 5999-00-126-1889
NSN 5950-01-659-4515
NSN 5999-00-246-4368
NSN 6240-01-089-1383
NSN 6320-00-682-3448