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 6320-01-229-6479
NSN 6135-01-202-8113
NSN 4140-01-067-8242
NSN 5999-01-437-8843
NSN 5996-01-225-3837
NSN 6610-01-424-6947
NSN 5920-01-526-5651
NSN 6685-01-467-6980
NSN 5960-00-521-2560
NSN 6645-01-442-6476
NSN 5855-00-004-0904
NSN 6650-00-949-8653