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 6145-01-309-5222
NSN 5950-01-439-5012
NSN 5990-01-374-1994
NSN 5950-00-009-7638
NSN 2925-00-899-4261
NSN 7035-01-095-3765
NSN 5905-00-088-7951
NSN 6130-00-068-8967
NSN 5935-00-072-7704
NSN 6130-00-144-8018
NSN 6220-00-512-9472
NSN 6135-01-549-5587