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 7035-00-870-0290
NSN 6645-01-150-2039
NSN 6610-00-809-0978
NSN 6650-00-016-9426
NSN 6610-00-931-3656
NSN 5895-01-170-8310
NSN 6685-00-853-3494
NSN 6130-00-113-1281
NSN 6150-01-121-1414
NSN 6110-01-367-5541
NSN 5945-00-105-0084
NSN 6130-01-448-3583