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 5950-01-230-0462
NSN 5996-01-084-1581
NSN 5945-01-143-3575
NSN 5915-01-644-6381
NSN 5895-01-241-9924
NSN 5920-01-371-6194
NSN 5910-01-210-9822
NSN 5998-01-331-8381
NSN 5925-01-083-3042
NSN 5935-00-520-2689
NSN 5925-00-148-8241
NSN 6220-01-152-5959