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 6650-01-138-1712
NSN 5855-00-014-5008
NSN 6135-01-110-9470
NSN 7035-00-295-0451
NSN 5999-00-188-3023
NSN 6320-00-004-9158
NSN 6610-00-960-9135
NSN 6620-00-243-1759
NSN 5990-01-199-2846
NSN 6220-01-421-4448
NSN 6620-00-486-0472
NSN 6240-00-179-5043