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 4140-00-538-8959
NSN 6610-01-246-4164
NSN 6645-01-537-1066
NSN 6150-01-424-0507
NSN 5950-01-613-9298
NSN 6610-00-406-8544
NSN 5925-01-117-8170
NSN 6240-01-292-7858
NSN 5915-01-172-9864
NSN 6220-01-379-6692
NSN 5920-01-449-4075
NSN 7035-01-211-5636