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 6620-01-514-0754
NSN 6130-00-513-9892
NSN 5915-00-929-0847
NSN 5960-01-599-9821
NSN 5945-01-561-4791
NSN 5935-01-425-2037
NSN 6645-01-016-7706
NSN 6220-01-211-7025
NSN 6220-01-251-2435
NSN 5965-01-606-5393
NSN 5975-01-085-1729
NSN 5930-01-306-9740