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 6620-01-532-2243
NSN 5998-01-606-6539
NSN 6135-01-517-5058
NSN 6145-00-581-9480
NSN 5965-00-246-5612
NSN 5990-01-463-2279
NSN 6645-00-975-6941
NSN 6150-00-494-9654
NSN 5996-01-630-8108
NSN 5835-00-373-2671
NSN 5985-01-579-3450
NSN 5945-01-647-9140