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 6610-01-289-9650
NSN 5905-01-634-0595
NSN 6645-00-321-6071
NSN 5945-01-443-3423
NSN 5915-01-325-8861
NSN 5930-01-105-0739
NSN 6620-00-864-8153
NSN 6220-00-583-9889
NSN 5985-00-512-5519
NSN 5835-00-912-5656
NSN 6130-01-381-0207
NSN 6685-01-442-2757