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 6150-01-512-5517
NSN 5999-01-308-8644
NSN 6645-01-354-7624
NSN 5905-00-788-7511
NSN 6150-01-291-4822
NSN 6610-01-463-8866
NSN 6620-01-547-6088
NSN 5920-00-138-2330
NSN 5999-00-167-7702
NSN 5990-00-459-5752
NSN 6105-01-407-7139
NSN 5985-01-352-9477