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 4140-01-274-1942
NSN 6320-00-894-1644
NSN 5855-01-027-1571
NSN 2925-01-358-8346
NSN 2925-00-617-0826
NSN 5935-00-969-3861
NSN 5925-01-437-8384
NSN 4140-01-422-8443
NSN 2925-01-111-2927
NSN 6110-00-163-6223
NSN 6145-00-382-6199
NSN 6685-01-256-6443