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 6320-00-977-3930
NSN 5925-01-437-5715
NSN 2925-01-394-9658
NSN 5998-00-909-5164
NSN 6645-01-400-2119
NSN 7035-00-535-8109
NSN 6620-00-250-1980
NSN 4140-01-441-8759
NSN 6645-00-845-1071
NSN 5975-01-378-2320
NSN 5945-00-408-0727
NSN 6135-01-651-3210