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 6240-01-398-0524
NSN 6320-01-399-6177
NSN 6610-01-015-9373
NSN 6685-01-441-9628
NSN 5915-01-023-7674
NSN 5990-01-209-3955
NSN 5935-01-130-4172
NSN 6150-01-416-2873
NSN 6105-01-014-5842
NSN 6610-01-343-7614
NSN 6240-00-422-1278
NSN 6130-00-155-5873