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 6105-01-152-4191
NSN 6620-01-211-4098
NSN 6105-01-535-0999
NSN 5999-01-643-5555
NSN 6220-00-293-5368
NSN 6650-01-547-1994
NSN 5855-00-915-7942
NSN 4140-00-816-8820
NSN 5910-01-144-1141
NSN 5999-00-910-9382
NSN 5910-00-549-4895
NSN 5930-00-218-1031