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
NSN 5920-01-649-8214
NSN 5895-01-546-9108
NSN 6650-01-615-7316
NSN 5930-01-511-8754
NSN 5855-00-444-2298
NSN 6110-01-490-6575
NSN 6320-01-629-1277
NSN 5975-01-401-5355
NSN 5950-00-788-6089
NSN 6685-01-136-9834
NSN 6135-00-900-2139