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 4140-00-247-4773
NSN 5965-01-508-1093
NSN 5915-00-553-8755
NSN 5910-01-474-5149
NSN 6645-01-549-0935
NSN 5950-00-142-0609
NSN 2925-00-183-4390
NSN 5910-00-533-6345
NSN 6320-01-527-0211
NSN 5935-01-278-9117
NSN 6620-01-232-8550
NSN 6240-00-578-7422