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 5975-01-181-2607
NSN 5998-01-013-8925
NSN 6650-01-431-9625
NSN 5925-00-539-2016
NSN 5960-00-063-5505
NSN 6220-01-339-5261
NSN 6645-01-533-3786
NSN 6645-01-218-5234
NSN 5835-01-017-7486
NSN 6685-01-634-0611
NSN 6320-01-516-3836
NSN 7035-01-508-0619