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 6645-01-078-4887
NSN 5985-01-354-1681
NSN 4140-01-577-5668
NSN 5920-00-087-2650
NSN 5895-01-392-1054
NSN 6645-01-159-1489
NSN 7035-01-121-0901
NSN 5985-01-515-3586
NSN 6685-00-991-8150
NSN 6130-01-212-6506
NSN 2925-01-082-7248
NSN 6620-01-189-8153