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 5835-01-531-0379
NSN 5930-01-153-9663
NSN 5910-01-648-4656
NSN 5960-01-234-9107
NSN 5999-01-328-0524
NSN 5930-00-946-9132
NSN 6220-01-391-4492
NSN 5835-01-033-8756
NSN 5975-00-356-3686
NSN 6610-01-431-5447
NSN 5925-01-606-2175
NSN 6610-01-646-1609