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 4140-00-181-3547
NSN 6105-01-287-9756
NSN 6320-01-108-5933
NSN 6320-01-088-1109
NSN 5895-01-507-3042
NSN 5855-01-057-7818
NSN 5950-01-475-5389
NSN 5950-00-910-6419
NSN 6620-01-149-9192
NSN 6610-00-674-0624
NSN 6105-01-350-8765
NSN 6645-01-331-3364