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 5920-01-495-9613
NSN 5915-01-439-0612
NSN 5990-00-372-5177
NSN 6685-01-575-8897
NSN 6150-01-031-3818
NSN 5855-01-154-3871
NSN 2925-00-236-9986
NSN 5935-00-537-4778
NSN 5915-01-453-9252
NSN 6645-01-510-2802
NSN 5960-01-297-0696
NSN 5915-01-309-1598