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 5855-01-545-0566
NSN 5996-01-145-2682
NSN 6105-01-027-0099
NSN 5910-00-541-1381
NSN 6685-00-855-9037
NSN 6320-01-618-7800
NSN 6105-00-230-2707
NSN 5945-00-231-7364
NSN 5990-00-488-1091
NSN 5985-01-375-8659
NSN 6650-01-156-4660
NSN 5920-01-033-4891