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 6150-01-056-9963
NSN 5985-01-444-2111
NSN 6610-01-044-4740
NSN 5905-00-161-7355
NSN 5985-01-438-5434
NSN 5950-01-661-2427
NSN 5920-00-276-8657
NSN 6130-01-267-3512
NSN 6645-00-589-0143
NSN 6220-01-242-0345
NSN 5999-00-205-0918
NSN 5925-01-425-7854