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 6240-00-163-5143
NSN 5950-01-053-3427
NSN 6145-01-332-3416
NSN 4140-01-528-0725
NSN 5895-01-145-5358
NSN 5998-01-006-2701
NSN 5920-01-462-5355
NSN 5910-01-401-5279
NSN 5895-00-931-5801
NSN 6620-01-441-7896
NSN 5920-01-009-8121
NSN 5945-01-479-4232