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 5910-01-333-2143
NSN 6610-00-034-3709
NSN 6145-01-146-9980
NSN 6240-00-045-9844
NSN 6320-01-371-1603
NSN 6220-00-482-9605
NSN 5915-00-951-9888
NSN 5975-01-411-6054
NSN 5935-00-201-4654
NSN 5999-01-102-4562
NSN 6645-01-484-4158
NSN 5910-00-727-1684