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 5835-00-501-2581
NSN 5999-01-420-3051
NSN 6645-01-367-2581
NSN 6145-00-087-9716
NSN 5930-01-143-2267
NSN 6130-00-111-3384
NSN 6130-01-311-2841
NSN 5998-01-106-2006
NSN 5835-01-180-9441
NSN 5910-01-591-8310
NSN 6620-01-229-3388
NSN 6220-00-245-4153