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 6130-01-521-4461
NSN 6320-01-090-8296
NSN 5950-01-576-9658
NSN 5920-01-414-6983
NSN 5990-01-200-6711
NSN 6650-00-992-4540
NSN 5855-00-174-3482
NSN 5925-01-097-9960
NSN 5930-01-502-4584
NSN 6130-00-985-3867
NSN 5965-01-239-4034
NSN 5905-01-227-5470