No other part numbers with same form, fit, and function found.
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 4140-01-347-3342
NSN 6150-00-186-7728
NSN 6650-00-170-5095
NSN 6220-01-579-3138
NSN 5999-01-303-6026
NSN 6145-01-600-0910
NSN 5985-01-468-4307
NSN 2925-01-506-6975
NSN 5985-01-231-2519
NSN 5999-00-934-8747
NSN 6130-00-113-9338
NSN 5985-00-993-8344