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 5915-01-004-9319
NSN 6645-01-461-9250
NSN 6240-00-419-4301
NSN 5930-01-422-1702
NSN 6320-01-313-2709
NSN 5950-01-503-3625
NSN 6645-01-245-8390
NSN 6320-00-284-1524
NSN 6145-00-088-6610
NSN 5965-00-961-1627
NSN 2925-00-056-7112
NSN 7035-01-428-2336