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 6145-01-619-0313
NSN 4140-01-577-8838
NSN 6105-01-138-7546
NSN 6645-00-443-4932
NSN 5950-01-507-2451
NSN 6685-00-296-0392
NSN 5975-01-239-7385
NSN 6650-00-177-0983
NSN 5925-00-269-2685
NSN 6240-00-541-7032
NSN 4140-00-931-1136
NSN 5965-01-392-0049