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: Washers other than lock washers, iron or steel
NSN 4140-01-116-3138
NSN 5996-01-599-0766
NSN 4140-01-106-2559
NSN 5998-01-420-6855
NSN 5960-00-266-6741
NSN 5905-01-422-0127
NSN 6620-01-468-6017
NSN 6105-01-380-7188
NSN 5998-01-310-8725
NSN 6620-00-035-5813
NSN 7035-00-585-2113
NSN 6130-01-653-5637