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 5950-01-324-4761
NSN 6320-01-259-2604
NSN 5960-01-360-3639
NSN 6320-01-547-9877
NSN 5965-00-258-6809
NSN 7035-00-946-2642
NSN 6135-00-643-4843
NSN 6105-00-443-2653
NSN 6110-00-359-5571
NSN 5920-00-513-4546
NSN 2925-01-261-0285
NSN 6650-01-653-8381