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 5855-01-459-9254
NSN 6685-01-643-8634
NSN 5895-01-570-4368
NSN 5835-00-707-6266
NSN 7035-00-500-7839
NSN 6240-00-713-0237
NSN 4140-01-400-3610
NSN 5945-01-060-3216
NSN 6240-01-633-9357
NSN 5975-01-401-5355
NSN 5996-00-734-5364
NSN 5910-01-041-2862