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 5910-01-577-3760
NSN 5910-01-508-4213
NSN 5945-00-692-2183
NSN 6650-00-087-1569
NSN 4140-01-234-0175
NSN 6320-00-925-0558
NSN 6620-00-078-4470
NSN 5999-00-818-5592
NSN 5990-00-554-0366
NSN 2925-00-522-9383
NSN 6685-01-021-7461
NSN 7035-00-235-3529