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 6650-00-369-1906
NSN 5990-01-091-3567
NSN 5996-01-219-6675
NSN 5960-00-646-6303
NSN 5975-01-465-6827
NSN 5999-01-461-8731
NSN 5855-00-949-8143
NSN 5985-01-299-6739
NSN 6135-01-550-2518
NSN 6610-00-152-7216
NSN 6650-00-242-7961
NSN 6220-00-906-0678