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 6645-01-235-7072
NSN 6645-00-851-6654
NSN 6150-01-160-7244
NSN 6145-01-455-3550
NSN 6645-01-369-4371
NSN 5950-01-650-1620
NSN 5975-01-350-3425
NSN 6320-00-336-9123
NSN 6150-01-424-2903
NSN 5945-01-584-6018
NSN 6685-01-094-7916
NSN 4140-00-507-2602