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 5930-01-443-3038
NSN 5998-00-553-3398
NSN 5999-01-094-1002
NSN 6240-00-957-5724
NSN 6150-01-110-8893
NSN 6650-00-054-4721
NSN 6685-01-634-0611
NSN 5965-01-407-7480
NSN 4140-00-779-4876
NSN 6220-01-110-8673
NSN 6610-00-575-7933
NSN 5930-01-164-5916