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 6685-00-151-4988
NSN 4140-01-374-3689
NSN 5999-01-591-4575
NSN 5960-00-088-4341
NSN 5965-00-221-6546
NSN 5965-00-906-8281
NSN 6220-01-154-4781
NSN 6650-00-187-5388
NSN 5990-01-116-2181
NSN 6220-01-571-6466
NSN 5998-01-566-9991
NSN 6130-01-218-0559