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 6610-01-125-5761
NSN 5996-01-517-6523
NSN 7035-01-026-0117
NSN 6610-00-061-7882
NSN 5975-01-506-0454
NSN 5996-01-117-9250
NSN 6320-01-607-1491
NSN 6650-00-569-1762
NSN 6110-01-048-2414
NSN 5895-00-375-5351
NSN 6645-01-431-4545
NSN 5895-01-583-4025