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 5990-01-303-0564
NSN 5945-01-295-0809
NSN 6240-00-068-5543
NSN 5999-01-329-2432
NSN 6610-01-472-2757
NSN 5985-01-488-1095
NSN 5965-01-117-7681
NSN 6650-01-508-3651
NSN 7035-01-136-3618
NSN 6620-00-869-9307
NSN 5965-00-396-3411
NSN 2925-00-246-3077