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 5905-00-866-8522
NSN 5925-00-501-8448
NSN 4140-00-152-7092
NSN 5910-01-584-5993
NSN 7035-01-387-0338
NSN 5945-01-527-8009
NSN 5945-01-591-9646
NSN 6145-01-466-6731
NSN 5925-00-070-5011
NSN 6145-00-396-0181
NSN 4140-01-413-9841
NSN 2925-01-458-5808