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 6320-00-139-1090
NSN 6240-00-471-5399
NSN 6145-01-477-4320
NSN 6110-01-423-8273
NSN 6645-00-780-5260
NSN 5985-01-473-1682
NSN 4140-01-382-9517
NSN 6685-01-076-4703
NSN 6620-01-580-0883
NSN 6685-00-375-1073
NSN 6610-01-464-2944
NSN 6150-01-167-9104