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 6220-01-573-7639
NSN 6135-01-515-2668
NSN 5985-01-312-4480
NSN 5920-01-363-6554
NSN 6620-00-867-6156
NSN 6610-01-419-0929
NSN 6145-00-913-8015
NSN 6145-01-348-3779
NSN 6645-01-400-1137
NSN 4140-00-272-6538
NSN 6685-01-422-2771
NSN 4140-01-085-4965