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 5945-01-249-0305
NSN 5998-01-340-7869
NSN 5905-01-013-4592
NSN 6135-01-628-2903
NSN 6105-01-484-5557
NSN 4140-01-375-8072
NSN 5965-01-381-2998
NSN 5930-01-574-4333
NSN 2925-00-055-9601
NSN 5930-01-464-3106
NSN 5990-00-716-7796
NSN 6130-01-343-3430