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 5930-01-166-6170
NSN 6620-01-642-9678
NSN 6130-01-166-2063
NSN 6220-00-956-0565
NSN 5905-00-709-9844
NSN 5855-00-688-9954
NSN 5965-01-172-5724
NSN 6150-01-243-9181
NSN 7035-00-349-8571
NSN 6620-00-488-0626
NSN 6110-01-218-7766
NSN 6145-00-493-4073