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 6610-00-489-9730
NSN 5930-01-476-3268
NSN 5910-01-094-6168
NSN 6650-00-373-9220
NSN 6620-00-506-0112
NSN 5945-01-231-2026
NSN 5895-01-386-6210
NSN 5915-00-932-5324
NSN 6220-01-220-8088
NSN 5950-01-628-3687
NSN 6685-00-740-7256
NSN 6145-01-109-4913