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 6150-00-623-4790
NSN 6150-01-201-4948
NSN 6650-01-317-6846
NSN 4140-00-577-3512
NSN 6645-01-064-3711
NSN 6685-00-531-7120
NSN 6685-01-386-3110
NSN 6685-01-490-0962
NSN 2925-01-430-4206
NSN 5998-00-707-5781
NSN 5930-01-351-3819
NSN 5930-00-427-5235