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 5998-00-959-6885
NSN 6650-00-754-2276
NSN 5990-01-485-0260
NSN 4140-01-620-7725
NSN 6645-01-509-3221
NSN 5975-01-521-1072
NSN 6105-01-171-1784
NSN 5985-00-103-1878
NSN 5960-00-952-3011
NSN 6110-00-961-5204
NSN 5930-01-535-7121
NSN 5920-01-150-1706