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 5905-01-514-5921
NSN 5930-01-376-3929
NSN 6220-01-197-7680
NSN 5930-01-130-8208
NSN 6650-01-264-4415
NSN 6240-00-941-5211
NSN 5950-01-168-8071
NSN 5960-01-495-0859
NSN 6145-00-173-6646
NSN 5945-00-992-0618
NSN 6135-01-084-1609
NSN 6645-01-364-2211