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 5905-01-442-7682
NSN 6620-00-816-9755
NSN 6130-00-208-2906
NSN 5895-01-204-8433
NSN 5950-01-468-5431
NSN 5999-01-086-9563
NSN 6645-01-456-1182
NSN 5905-00-493-3758
NSN 5985-00-902-9935
NSN 7035-01-145-5059
NSN 6620-01-401-5356
NSN 4140-01-069-2307