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 5925-00-181-4158
NSN 5930-01-593-2966
NSN 4140-01-384-2351
NSN 5950-01-492-3770
NSN 5950-01-421-4138
NSN 5985-00-177-1669
NSN 5990-01-203-6089
NSN 5905-00-214-9985
NSN 5960-00-062-4906
NSN 5835-01-592-2350
NSN 6620-00-929-1188
NSN 5925-01-278-8509