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 5985-00-837-6338
NSN 6130-01-394-4986
NSN 5835-01-550-5094
NSN 6685-01-627-5126
NSN 7035-01-196-3445
NSN 5835-01-209-6410
NSN 6610-01-076-4800
NSN 5965-01-116-5339
NSN 4140-00-215-8593
NSN 5855-00-631-4565
NSN 6110-01-571-7987
NSN 6650-01-481-8009