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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5998-01-578-6560
NSN 6320-01-457-2805
NSN 6320-01-266-1612
NSN 6135-01-327-2092
NSN 6620-00-707-4195
NSN 6130-01-243-7001
NSN 5998-01-568-4201
NSN 5895-00-794-8867
NSN 6650-00-027-2608
NSN 6240-01-006-7279
NSN 4140-01-324-1707
NSN 6105-01-603-7855