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: Copper washers including spring washers not threaded
NSN 6110-01-152-2547
NSN 5935-01-045-8069
NSN 5920-01-252-8596
NSN 4140-00-448-4306
NSN 6145-00-843-8744
NSN 6130-01-388-1933
NSN 5950-01-182-4801
NSN 6650-01-453-6712
NSN 6645-01-629-9657
NSN 4140-01-509-1300
NSN 5930-01-493-4231
NSN 5855-01-007-9541