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 4140-00-055-4373
NSN 5855-01-426-5589
NSN 5998-00-212-4406
NSN 5910-01-266-4057
NSN 7035-00-870-0290
NSN 6240-01-421-3626
NSN 5996-01-177-2150
NSN 6685-01-415-5999
NSN 5935-01-618-1401
NSN 6110-00-078-3393
NSN 5965-01-023-9359
NSN 6145-01-634-0388