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 6645-01-440-5500
NSN 5985-01-250-0206
NSN 6620-01-298-6853
NSN 5935-00-451-1979
NSN 2925-00-604-7487
NSN 5855-01-317-5354
NSN 7035-00-232-4043
NSN 5835-01-090-6712
NSN 5895-00-446-2493
NSN 5965-01-243-3307
NSN 6685-00-186-0190
NSN 6135-01-010-0891