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 5996-01-386-7421
NSN 5925-00-994-5967
NSN 5999-01-456-1370
NSN 6320-01-039-5891
NSN 7035-00-312-3055
NSN 5960-01-352-0451
NSN 5935-01-244-5357
NSN 5965-01-538-4947
NSN 7035-00-360-5964
NSN 5990-01-247-8277
NSN 6145-00-136-9132
NSN 4140-01-611-5424