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 6135-01-512-8740
NSN 6685-01-259-2596
NSN 6220-00-357-9534
NSN 5920-00-422-5517
NSN 6150-01-065-3917
NSN 6685-01-021-4080
NSN 5920-01-344-6163
NSN 5999-00-977-9952
NSN 7035-01-169-6551
NSN 7035-01-484-2709
NSN 5990-00-223-5938
NSN 5935-01-103-1188