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 6105-00-816-4220
NSN 5998-01-519-2521
NSN 6620-00-726-8153
NSN 6645-00-432-3420
NSN 4140-00-160-9356
NSN 6645-01-265-0648
NSN 6685-00-019-0552
NSN 6135-01-312-1040
NSN 5998-01-443-4477
NSN 6240-01-387-7178
NSN 5855-00-138-2386
NSN 6110-01-204-5464