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 4140-01-652-5057
NSN 5930-01-570-9298
NSN 6610-01-484-8980
NSN 6150-00-187-3535
NSN 5925-01-595-6276
NSN 6685-01-385-3144
NSN 6240-01-490-5054
NSN 6130-01-414-0651
NSN 7035-00-096-9986
NSN 4140-00-991-8849
NSN 6105-01-215-1174
NSN 6145-01-095-8456