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 5950-01-593-4566
NSN 5950-01-123-9661
NSN 5960-01-604-1158
NSN 5960-01-139-5968
NSN 6645-01-552-0004
NSN 5950-01-155-2033
NSN 6650-01-381-1432
NSN 6110-00-790-2781
NSN 5910-01-302-7131
NSN 5905-01-322-4554
NSN 5930-01-322-8220
NSN 6240-00-103-0058