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 4140-01-004-9177
NSN 2925-00-549-6759
NSN 6645-01-216-1956
NSN 2925-01-588-3507
NSN 5910-01-104-5927
NSN 6320-01-438-6280
NSN 6145-00-115-6355
NSN 5920-00-913-3728
NSN 5998-00-955-5901
NSN 5960-01-450-8539
NSN 5835-01-030-8914
NSN 6240-01-533-8941