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 6685-01-461-6992
NSN 5960-00-715-9227
NSN 7035-00-470-4977
NSN 5960-00-384-2601
NSN 5920-00-522-6525
NSN 6320-01-250-0290
NSN 6610-01-421-4396
NSN 5855-00-151-3853
NSN 5996-01-341-9130
NSN 6650-01-422-3395
NSN 6610-01-177-5033
NSN 6145-00-955-0032