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 4140-00-654-9146
NSN 5975-00-383-1384
NSN 5925-00-072-6934
NSN 6685-01-541-6334
NSN 6145-01-290-3986
NSN 6105-01-176-9930
NSN 6320-01-406-9951
NSN 5999-01-569-1520
NSN 6130-00-186-8460
NSN 6650-00-420-3593
NSN 6645-00-283-6794
NSN 5998-00-240-3316