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 6650-01-207-2905
NSN 6610-00-244-2816
NSN 5835-01-387-4227
NSN 5990-01-377-7762
NSN 5998-00-421-7141
NSN 6145-00-153-2818
NSN 6220-01-154-3213
NSN 6240-00-478-3858
NSN 5905-01-359-8097
NSN 6135-01-077-5705
NSN 6620-00-261-5396
NSN 5920-01-116-4236