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 6610-01-011-4972
NSN 4140-01-547-5211
NSN 5999-01-467-2666
NSN 6220-00-353-5730
NSN 5950-01-451-0802
NSN 6240-01-435-4919
NSN 5985-01-013-1511
NSN 5915-00-116-6571
NSN 6685-00-759-0675
NSN 5895-00-173-2538
NSN 5965-01-393-5833
NSN 5990-01-050-7535