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 5925-01-121-9398
NSN 5998-00-281-5973
NSN 2925-01-043-9786
NSN 5999-01-115-4979
NSN 6220-01-521-2720
NSN 5990-01-149-9228
NSN 4140-01-010-2592
NSN 6620-01-054-9346
NSN 6650-01-381-2972
NSN 5975-01-414-8873
NSN 5996-01-411-6195
NSN 6105-01-492-5723