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 5915-01-543-7031
NSN 5910-00-946-9589
NSN 6130-01-017-9288
NSN 5835-01-540-4995
NSN 6145-01-423-2349
NSN 7035-01-026-0117
NSN 2925-01-359-4027
NSN 5996-01-443-2324
NSN 6220-01-257-7475
NSN 6685-01-327-9362
NSN 6320-00-790-4844
NSN 5998-01-390-1827