A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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.
NSN 6620-01-135-0090
NSN 6220-00-861-4131
NSN 4140-01-442-6442
NSN 5975-01-564-6927
NSN 5835-01-281-7281
NSN 5855-01-359-0373
NSN 6105-01-510-3915
NSN 5985-00-608-5518
NSN 5975-00-157-9676
NSN 6105-01-486-4354
NSN 5996-00-617-0796
NSN 5999-01-243-0121