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 5910-01-023-7615
NSN 5950-00-109-0692
NSN 6685-00-607-1884
NSN 5990-01-328-8225
NSN 5975-00-681-1193
NSN 5945-01-515-1450
NSN 5855-01-432-0524
NSN 6135-00-461-3590
NSN 6650-00-809-1817
NSN 5996-01-606-2421
NSN 5985-00-225-0232
NSN 4140-00-274-9638