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 6650-01-083-1969
NSN 6685-00-250-5426
NSN 5960-01-074-6110
NSN 7035-01-296-4737
NSN 6610-01-310-0553
NSN 5895-00-247-0180
NSN 5905-01-441-9534
NSN 6135-01-100-3593
NSN 5920-01-120-9817
NSN 5915-01-529-6702
NSN 6150-01-573-3585
NSN 5999-01-599-9464