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 5990-00-568-4940
NSN 6685-01-462-5090
NSN 6620-01-520-4186
NSN 5930-01-641-8203
NSN 6105-01-382-0882
NSN 5925-00-353-0612
NSN 6620-01-479-2352
NSN 5915-01-494-9550
NSN 6145-01-202-7769
NSN 6105-00-643-1002
NSN 6130-00-212-4883
NSN 6145-01-582-0585