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 5960-00-815-9820
NSN 5985-01-605-0230
NSN 5855-01-278-8922
NSN 6645-01-163-9930
NSN 6135-01-398-5922
NSN 5996-01-574-6346
NSN 6645-01-447-3143
NSN 5998-00-994-5827
NSN 5950-01-160-7625
NSN 5965-00-644-0339
NSN 5999-01-350-1916
NSN 5996-00-540-6570