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 4140-01-337-0495
NSN 6240-01-450-4886
NSN 5985-00-873-3182
NSN 6110-01-250-2936
NSN 5910-00-415-6623
NSN 5905-01-574-1648
NSN 6220-00-915-0862
NSN 5996-00-557-8415
NSN 5950-00-246-6362
NSN 6105-00-964-4060
NSN 6220-00-376-8103
NSN 6130-00-042-6436