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 5935-01-222-7780
NSN 6110-00-887-6731
NSN 5975-01-514-7468
NSN 5960-00-062-4906
NSN 6145-00-574-1152
NSN 6650-01-381-7172
NSN 6105-01-580-0557
NSN 6150-01-231-8610
NSN 5998-01-523-5509
NSN 5985-01-359-6512
NSN 6110-00-247-0211
NSN 5855-01-628-1597