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 6145-01-314-8534
NSN 6220-01-492-6409
NSN 4140-01-503-0970
NSN 5935-01-487-6336
NSN 5965-00-729-6835
NSN 5950-01-360-2961
NSN 5925-00-484-0495
NSN 6240-00-311-6180
NSN 5920-00-192-6565
NSN 5895-00-003-9137
NSN 5920-01-055-2024
NSN 5855-00-014-5008