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 5990-01-127-1108
NSN 4140-01-131-4924
NSN 6620-00-175-0663
NSN 5960-00-314-0991
NSN 5999-01-108-8602
NSN 5998-01-356-8395
NSN 6685-01-511-0052
NSN 6685-01-600-1752
NSN 5965-01-550-7505
NSN 6645-01-048-8972
NSN 5950-01-309-7404
NSN 5965-01-431-5809