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 5915-00-134-2974
NSN 5910-01-063-7096
NSN 5985-01-426-3679
NSN 5945-00-180-4096
NSN 6645-01-194-6594
NSN 5990-00-110-9441
NSN 5910-01-367-6155
NSN 5930-00-272-8876
NSN 5965-01-415-0872
NSN 5975-01-315-7951
NSN 5905-01-423-0589
NSN 5998-00-908-9908