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 5950-01-358-2001
NSN 5930-00-030-0336
NSN 6240-01-054-0067
NSN 5935-01-509-4915
NSN 6650-01-168-1659
NSN 5920-00-144-8031
NSN 6320-01-411-6610
NSN 5895-01-502-4522
NSN 5990-01-309-0048
NSN 4140-01-387-9698
NSN 6130-01-091-3668
NSN 6320-00-194-4252