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 4140-00-269-3189
NSN 6645-00-191-4978
NSN 5930-01-352-5428
NSN 6610-00-888-6731
NSN 6645-01-496-5694
NSN 5985-01-377-2643
NSN 5905-00-597-4124
NSN 6685-01-432-2579
NSN 5996-01-284-8835
NSN 5945-01-490-6861
NSN 5915-01-394-5540
NSN 5835-00-572-7445