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 5855-00-494-9581
NSN 5990-01-306-9290
NSN 5835-00-341-5441
NSN 2925-00-056-7112
NSN 5895-01-548-1122
NSN 6110-01-347-8656
NSN 6145-01-439-3239
NSN 5945-01-256-1593
NSN 5930-01-333-1861
NSN 6135-00-877-1659
NSN 5895-01-526-5768
NSN 5985-01-537-6281