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 5975-01-461-5029
NSN 5998-01-555-0374
NSN 6145-01-494-7030
NSN 5915-00-659-3107
NSN 6645-00-072-9243
NSN 6150-01-236-8417
NSN 6135-00-998-5884
NSN 6685-00-396-0170
NSN 6620-01-567-9933
NSN 6110-00-911-1567
NSN 6110-00-581-4445
NSN 5855-00-337-3679