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 5950-01-566-9305
NSN 6240-01-083-0867
NSN 5999-00-708-0457
NSN 5910-00-072-9315
NSN 6110-01-192-8609
NSN 5855-00-436-3852
NSN 6610-01-157-0426
NSN 5960-01-439-3731
NSN 5915-01-626-6596
NSN 5855-01-537-7059
NSN 4140-00-707-5963
NSN 6685-01-369-9934