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 5975-01-586-1865
NSN 5935-00-279-6952
NSN 6240-00-822-4571
NSN 5945-00-597-5722
NSN 6145-00-141-3888
NSN 5998-01-059-2624
NSN 6645-01-398-2505
NSN 6650-01-555-8349
NSN 5855-01-258-5161
NSN 5855-00-198-3197
NSN 6645-01-137-1684
NSN 6130-01-521-3229