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 6150-01-641-8701
NSN 6320-00-449-5096
NSN 5965-01-656-9596
NSN 6620-00-936-3452
NSN 6320-01-406-9951
NSN 5950-00-467-0075
NSN 6645-00-089-8842
NSN 5950-01-099-3591
NSN 6105-01-245-8725
NSN 5990-01-512-9129
NSN 6130-01-371-5048
NSN 5895-00-248-7477