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 6105-01-231-9457
NSN 6610-01-461-5393
NSN 6130-01-421-2411
NSN 5998-00-898-2372
NSN 6135-01-361-1776
NSN 6105-01-093-9893
NSN 2925-01-038-7625
NSN 5998-01-343-1960
NSN 6145-01-089-9879
NSN 5855-00-688-9954
NSN 6645-01-100-3296
NSN 6685-01-171-1014