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 5915-01-160-8175
NSN 5855-01-448-0695
NSN 5999-01-327-3672
NSN 6240-00-079-0112
NSN 7035-01-364-0286
NSN 4140-01-571-7913
NSN 5910-01-512-8782
NSN 5996-01-336-5608
NSN 6645-00-515-6148
NSN 5895-00-691-2079
NSN 6220-01-364-6953
NSN 6240-00-643-4532