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 5925-00-188-8678
NSN 6220-00-604-4176
NSN 5998-00-753-7856
NSN 6650-01-112-6879
NSN 6240-01-310-5043
NSN 6220-01-270-7766
NSN 5960-01-536-9763
NSN 6110-00-217-2658
NSN 6135-01-435-5558
NSN 7035-01-631-2552
NSN 5965-01-573-2653
NSN 5998-01-629-2235