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 5975-01-461-7618
NSN 5996-01-581-2090
NSN 5996-00-519-7588
NSN 6610-01-441-5062
NSN 6685-01-461-6385
NSN 5855-01-073-0455
NSN 6610-01-085-0804
NSN 6645-00-149-1100
NSN 7035-01-010-4257
NSN 5835-01-581-9433
NSN 5965-01-136-7970
NSN 5965-01-603-7442