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 6150-01-145-5156
NSN 5920-01-583-5670
NSN 5935-01-294-8860
NSN 6150-01-062-7540
NSN 5920-00-577-4716
NSN 5945-01-461-2141
NSN 5960-01-278-9394
NSN 6105-00-283-2849
NSN 6645-01-419-2931
NSN 5920-01-361-8835
NSN 5915-00-091-9519
NSN 5855-00-149-0766