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 5975-01-359-3311
NSN 5950-01-212-8507
NSN 5835-01-599-1876
NSN 6130-00-402-0559
NSN 6650-01-139-0022
NSN 6685-01-401-5360
NSN 6240-01-064-2980
NSN 5835-00-649-9402
NSN 6220-01-448-1182
NSN 6145-01-367-6503
NSN 7035-01-386-5722
NSN 6130-00-144-8018