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 7035-01-472-1999
NSN 6620-01-580-9746
NSN 6685-01-569-2623
NSN 6610-00-231-5266
NSN 6645-00-456-2219
NSN 6650-01-188-8028
NSN 6610-01-519-3080
NSN 7035-00-020-2227
NSN 5998-01-648-2125
NSN 6620-01-507-0886
NSN 6150-01-422-9010
NSN 5998-00-100-3138