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 5990-01-218-5160
NSN 6620-01-542-8709
NSN 5925-00-502-5877
NSN 5905-01-656-2603
NSN 5930-00-757-7763
NSN 6240-01-020-0224
NSN 5895-01-444-2202
NSN 5855-01-357-7907
NSN 6620-00-343-8229
NSN 6240-01-377-5503
NSN 5930-00-368-4149
NSN 5985-01-647-6967