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 5855-01-621-5401
NSN 5990-01-256-8441
NSN 6145-01-513-6352
NSN 6150-01-661-1200
NSN 6135-01-571-7488
NSN 6240-01-374-6328
NSN 5998-00-471-6000
NSN 6220-00-157-5009
NSN 6620-00-345-9523
NSN 6240-00-849-5026
NSN 5835-01-412-6901
NSN 6685-01-475-1220