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 5905-01-177-2905
NSN 6105-01-131-3319
NSN 6650-01-512-4428
NSN 5915-00-891-9925
NSN 4140-00-937-6838
NSN 4140-01-440-7305
NSN 5950-00-964-9949
NSN 5990-01-395-4194
NSN 5965-00-252-3371
NSN 5925-01-464-2734
NSN 5960-00-011-9315
NSN 5930-00-175-4715