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 6150-01-622-8939
NSN 6220-00-915-7250
NSN 4140-01-461-5958
NSN 5999-01-156-4528
NSN 5999-00-338-4431
NSN 6130-01-058-8055
NSN 5998-01-107-7976
NSN 5996-01-513-9656
NSN 5965-00-465-9566
NSN 5905-00-646-0620
NSN 5960-01-361-6543
NSN 2925-00-740-7029