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 5975-01-492-0071
NSN 5835-01-580-0446
NSN 7035-01-527-6467
NSN 6145-00-921-7990
NSN 5965-00-993-5439
NSN 5960-01-509-8779
NSN 5965-01-313-9762
NSN 5920-01-383-7108
NSN 5930-01-051-7726
NSN 4140-01-653-3418
NSN 5998-01-531-1570
NSN 5990-01-517-7848