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 5996-01-508-4599
NSN 6650-01-394-2646
NSN 6150-00-311-7966
NSN 5999-01-614-0925
NSN 5975-01-286-5850
NSN 5996-00-832-6593
NSN 5895-01-572-0779
NSN 6135-01-633-8502
NSN 5835-01-193-6192
NSN 6645-01-166-3788
NSN 6610-01-250-2811
NSN 6685-01-444-3117