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 5950-01-634-0055
NSN 5950-01-393-0548
NSN 5996-00-578-3278
NSN 6620-00-500-0041
NSN 6650-00-908-6358
NSN 5910-01-181-6383
NSN 6110-01-396-0017
NSN 5910-01-029-8909
NSN 5998-01-396-4750
NSN 6240-00-762-0795
NSN 6110-01-454-5004
NSN 6130-01-306-5552