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 6620-00-520-0023
NSN 5998-00-208-9336
NSN 6145-01-368-7358
NSN 5905-01-512-1898
NSN 5945-01-116-6665
NSN 5975-01-106-3595
NSN 6105-01-495-0623
NSN 5910-01-633-8768
NSN 5935-00-996-0156
NSN 5998-01-605-7241
NSN 6620-01-222-2063
NSN 6240-00-466-0703