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 5910-00-051-9066
NSN 6105-01-273-6062
NSN 5915-01-235-6318
NSN 6150-01-554-7250
NSN 6650-01-279-0658
NSN 5975-00-233-5964
NSN 5990-01-500-5412
NSN 6645-01-056-5291
NSN 6150-01-139-4864
NSN 5975-01-139-5135
NSN 5985-00-372-5946
NSN 6620-01-181-1757