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 5990-00-459-5752
NSN 6220-01-104-9241
NSN 5950-01-168-0793
NSN 5935-00-607-9510
NSN 5915-01-460-7176
NSN 6685-00-983-3379
NSN 5960-01-363-5951
NSN 6110-01-653-7628
NSN 5930-00-061-2357
NSN 5960-00-806-9631
NSN 5985-00-552-9170
NSN 6220-00-536-8763