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 6110-01-449-1641
NSN 6645-01-571-6404
NSN 5999-01-618-2222
NSN 5975-01-450-8004
NSN 5975-01-406-2952
NSN 6105-01-359-9504
NSN 6130-00-434-2224
NSN 5990-00-099-0822
NSN 5925-01-531-6177
NSN 7035-01-202-9250
NSN 5915-00-374-0935
NSN 5985-00-941-8610