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 5920-01-580-0777
NSN 6645-00-274-5670
NSN 5960-00-816-4659
NSN 5965-00-905-6895
NSN 5925-00-155-8463
NSN 5985-01-109-0776
NSN 5990-01-581-6871
NSN 5975-01-390-5770
NSN 5855-01-551-7923
NSN 5998-01-415-2472
NSN 5985-00-156-1635
NSN 6650-01-556-0983