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 6620-01-298-0991
NSN 5925-00-643-5070
NSN 5920-01-237-3875
NSN 5905-01-595-0466
NSN 6610-01-070-9411
NSN 6105-01-276-2589
NSN 7035-01-218-4233
NSN 5910-00-663-5865
NSN 5975-01-385-2241
NSN 5985-01-349-2878
NSN 5925-00-114-2253
NSN 5985-01-267-8817