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 5990-01-602-6701
NSN 5985-01-424-0567
NSN 5996-01-494-2942
NSN 6650-01-152-7071
NSN 6135-00-100-0485
NSN 5910-01-519-3731
NSN 7035-01-236-5743
NSN 5930-01-443-9910
NSN 6610-01-602-5382
NSN 5985-01-367-1885
NSN 5950-00-595-8599
NSN 6620-00-941-0537