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 6645-01-223-7274
NSN 6110-01-190-5512
NSN 6220-01-152-2637
NSN 6320-01-539-3156
NSN 7035-00-442-1869
NSN 6105-01-411-4616
NSN 6150-01-389-6177
NSN 6145-00-401-3518
NSN 5910-01-442-6752
NSN 5925-00-342-3637
NSN 5960-01-027-1835
NSN 5999-00-145-7783