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 5990-01-157-0441
NSN 5925-01-541-1646
NSN 5930-01-034-1294
NSN 5930-01-274-3027
NSN 5990-01-309-0048
NSN 6240-00-395-0019
NSN 5950-00-242-4995
NSN 5975-00-087-9415
NSN 6645-00-518-2068
NSN 6145-00-942-4661
NSN 5855-01-383-6860
NSN 5895-01-035-0461