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 5920-00-436-0780
NSN 6135-00-315-1187
NSN 5999-00-358-1933
NSN 5905-00-905-7973
NSN 5996-00-075-0493
NSN 6105-00-899-3424
NSN 5855-01-006-1827
NSN 6135-01-568-3234
NSN 2925-01-583-5619
NSN 5915-01-313-3860
NSN 6110-01-156-0708
NSN 5915-01-240-6450