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 5990-01-097-4721
NSN 6105-00-527-8571
NSN 6620-01-609-9513
NSN 6610-00-968-8193
NSN 5990-00-644-3365
NSN 6220-00-400-3769
NSN 6650-00-163-4911
NSN 5998-00-189-1545
NSN 5950-00-570-6531
NSN 5998-01-039-9441
NSN 6685-00-279-3620
NSN 5920-01-270-0616