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 5910-01-181-5582
NSN 2925-01-105-5446
NSN 6645-00-012-3985
NSN 6145-01-227-5743
NSN 4140-01-183-5451
NSN 5999-01-278-7252
NSN 5996-00-737-0646
NSN 5960-01-430-3911
NSN 5990-01-197-6922
NSN 5950-01-066-1524
NSN 5990-01-160-6978
NSN 5990-00-125-5036