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 6240-00-539-9770
NSN 2925-01-004-1683
NSN 2925-01-344-0281
NSN 6645-01-025-1002
NSN 5835-01-013-9321
NSN 6145-00-147-5440
NSN 6130-00-231-3929
NSN 5920-00-139-2812
NSN 6610-01-445-1036
NSN 5935-01-607-0562
NSN 6645-01-123-9277
NSN 5895-00-385-9003