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 5905-00-932-2906
NSN 6645-01-499-4798
NSN 6610-01-605-1509
NSN 5855-01-576-4223
NSN 6685-01-388-2574
NSN 5999-00-186-8954
NSN 6645-01-119-3496
NSN 5999-01-415-5716
NSN 5935-00-832-5593
NSN 6110-00-017-9946
NSN 6130-01-449-7222
NSN 5960-00-583-4902