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 5965-00-933-8971
NSN 5990-01-408-6554
NSN 5945-00-488-8654
NSN 6685-00-019-0552
NSN 7035-01-320-7453
NSN 5905-01-482-8923
NSN 5895-01-565-9305
NSN 6645-01-479-0804
NSN 7035-00-371-7749
NSN 5855-01-457-3608
NSN 2925-01-464-3093
NSN 5999-01-031-7533