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 5975-01-391-5981
NSN 5920-01-612-5652
NSN 6685-00-174-7832
NSN 5835-01-462-5983
NSN 6320-00-823-2015
NSN 6135-01-658-7467
NSN 5985-01-399-8452
NSN 4140-00-035-4997
NSN 5855-00-797-8217
NSN 5998-00-707-5781
NSN 6610-01-075-9681
NSN 5965-00-360-9534