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 6110-01-661-1951
NSN 6610-01-452-2715
NSN 5998-00-721-4701
NSN 5905-00-577-7752
NSN 6150-00-912-9093
NSN 5960-01-244-1969
NSN 5990-01-019-6609
NSN 6650-00-295-1749
NSN 6645-01-366-5033
NSN 6620-01-337-0652
NSN 5855-00-100-9003
NSN 6110-01-272-9246