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 6610-01-579-2984
NSN 6110-01-473-5168
NSN 5950-01-539-1043
NSN 5996-01-378-5612
NSN 5855-01-519-2933
NSN 5990-00-409-3594
NSN 5999-01-085-5540
NSN 2925-01-138-8104
NSN 5996-01-623-8237
NSN 4140-01-131-3124
NSN 5835-00-706-0829
NSN 5895-01-621-1288