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 6610-01-027-1641
NSN 6685-01-507-5310
NSN 5855-01-108-2044
NSN 6320-01-029-4220
NSN 6220-01-265-1077
NSN 6110-01-271-1254
NSN 6650-00-059-6268
NSN 5835-01-373-9506
NSN 5915-01-476-7124
NSN 6145-01-315-9900
NSN 5960-00-289-6591
NSN 5945-01-626-8750