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 6650-01-229-7500
NSN 5930-01-643-9670
NSN 4140-00-916-2771
NSN 5925-01-396-1584
NSN 6150-00-417-7525
NSN 2925-01-604-8984
NSN 5990-00-477-1362
NSN 6620-00-160-0844
NSN 5996-00-229-7037
NSN 6610-01-512-8154
NSN 6150-01-344-7635
NSN 6220-01-176-3686