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 4140-00-893-2754
NSN 6145-00-421-0968
NSN 6150-01-360-6211
NSN 6150-00-141-8793
NSN 6620-01-328-0926
NSN 5925-01-373-2324
NSN 5855-00-879-7245
NSN 5920-01-415-6546
NSN 5915-00-825-3166
NSN 5990-01-172-4553
NSN 5996-01-107-5737
NSN 6645-01-419-3071