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 6240-01-649-2171
NSN 6110-01-116-3017
NSN 5925-00-133-2811
NSN 5985-00-928-2264
NSN 5855-00-995-2098
NSN 5910-01-505-8181
NSN 6105-01-284-0339
NSN 5960-01-257-0225
NSN 5855-01-624-7115
NSN 5998-00-403-8697
NSN 5998-01-626-2354
NSN 6620-00-610-1272