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 6650-00-957-0714
NSN 5950-01-139-2983
NSN 5855-00-760-3870
NSN 5960-01-515-4791
NSN 6240-01-463-8276
NSN 6610-01-023-1918
NSN 5985-01-480-8528
NSN 7035-01-646-0272
NSN 6620-01-517-0014
NSN 6645-01-479-5364
NSN 6645-00-796-7206
NSN 6685-00-701-1753