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 5930-00-259-7368
NSN 7035-00-250-0982
NSN 6320-00-483-0451
NSN 5925-01-367-8661
NSN 5960-01-097-3285
NSN 5910-00-402-3957
NSN 6220-01-356-9188
NSN 5925-01-168-3943
NSN 5990-01-161-4625
NSN 2925-01-113-6904
NSN 5905-00-187-0036
NSN 5935-00-952-1448