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 4140-01-169-6237
NSN 5910-01-423-8643
NSN 6150-01-272-9154
NSN 5950-01-456-1352
NSN 5935-01-561-3205
NSN 5925-01-540-0472
NSN 5975-01-105-9020
NSN 2925-01-583-5619
NSN 5915-01-416-1528
NSN 5910-00-932-2869
NSN 6650-00-820-4577
NSN 4140-01-076-3720