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 5999-00-464-6367
NSN 5996-00-832-9495
NSN 5998-01-188-6449
NSN 5985-00-906-3287
NSN 6220-01-555-8332
NSN 5960-00-003-7982
NSN 5965-00-281-0319
NSN 5915-01-275-6881
NSN 6645-00-701-4606
NSN 6150-01-385-6955
NSN 6650-00-923-2988
NSN 5895-01-468-7048