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 5990-00-140-4559
NSN 6620-01-135-7846
NSN 7035-01-586-2177
NSN 6620-00-375-0393
NSN 6645-00-145-6411
NSN 5895-01-449-0447
NSN 5990-00-332-1735
NSN 6320-00-082-5868
NSN 5835-01-424-0054
NSN 5910-01-383-1612
NSN 5960-01-469-7484
NSN 6105-01-590-8972