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 5996-00-213-7121
NSN 6685-01-157-4244
NSN 6650-01-467-8818
NSN 5990-00-088-7591
NSN 6150-01-360-5209
NSN 5945-01-612-6219
NSN 5950-00-395-0448
NSN 5950-01-087-4889
NSN 6105-01-171-3256
NSN 5925-00-109-2232
NSN 6620-01-254-3609
NSN 6650-01-073-0655