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 4140-00-546-3554
NSN 6620-01-474-4951
NSN 6150-01-611-3444
NSN 4140-01-438-0310
NSN 5985-01-652-2058
NSN 6150-00-539-9812
NSN 6240-00-190-6716
NSN 5990-00-254-4825
NSN 2925-01-591-4030
NSN 6220-01-135-8216
NSN 5998-01-570-1469
NSN 5950-01-258-3452