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 5990-00-707-0731
NSN 6650-00-614-1711
NSN 5930-01-050-2035
NSN 5930-00-281-1311
NSN 5990-01-247-5439
NSN 2925-00-315-8442
NSN 5895-00-335-7443
NSN 5945-00-812-5069
NSN 7035-01-268-0933
NSN 5990-01-539-4653
NSN 5960-01-328-8248
NSN 5998-01-036-2797