A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 2925-00-802-1418
NSN 7035-00-018-0350
NSN 5985-00-947-4796
NSN 7035-01-209-0045
NSN 5835-01-122-9657
NSN 5965-01-385-4235
NSN 2925-00-233-5644
NSN 5910-00-287-3258
NSN 5965-00-594-3115
NSN 5999-01-490-3630
NSN 6610-01-463-8866
NSN 5895-01-362-0648