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 5965-01-549-0176
NSN 6135-01-049-5980
NSN 5950-01-320-3611
NSN 6650-01-477-9545
NSN 5990-01-542-4212
NSN 6685-01-382-9932
NSN 5930-00-081-8782
NSN 7035-00-500-7839
NSN 4140-01-263-2180
NSN 5999-01-381-1139
NSN 5935-01-042-2890
NSN 5999-01-449-1955