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 5965-01-388-3492
NSN 6645-00-542-1206
NSN 5895-00-977-2942
NSN 5965-00-208-4896
NSN 5925-01-206-5484
NSN 5915-00-146-8566
NSN 5960-01-063-6846
NSN 5925-00-878-1941
NSN 6130-01-519-8829
NSN 6220-01-503-5420
NSN 7035-01-040-1180
NSN 5999-01-414-6963