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 5998-00-807-4486
NSN 6610-01-132-6660
NSN 5975-00-809-1000
NSN 6650-00-144-4555
NSN 5945-01-258-9688
NSN 7035-01-013-0934
NSN 6650-00-307-3437
NSN 5996-01-400-3558
NSN 4140-01-505-6545
NSN 5895-01-431-9790
NSN 5996-00-205-2933
NSN 5910-01-244-5276