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 6645-00-258-8547
NSN 6110-00-350-9571
NSN 6150-01-036-9203
NSN 5855-00-944-0949
NSN 6240-01-232-8079
NSN 5935-01-247-2143
NSN 5945-01-643-5530
NSN 5945-01-321-8990
NSN 6620-01-523-4953
NSN 6650-01-310-7403
NSN 5996-01-078-5508
NSN 6220-00-346-8944