A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 6135-01-252-0315
NSN 4140-01-425-1590
NSN 6220-01-272-3177
NSN 6650-01-316-1191
NSN 5975-00-488-3937
NSN 4140-00-713-9320
NSN 5835-01-422-2399
NSN 6240-01-175-3877
NSN 6320-00-931-4855
NSN 5945-00-470-1932
NSN 5945-01-631-0975
NSN 4140-00-459-9045