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 5975-00-617-7138
NSN 6320-01-255-2096
NSN 6105-01-442-6446
NSN 5945-01-065-2854
NSN 6685-01-061-4347
NSN 6135-01-139-1700
NSN 5855-01-658-4510
NSN 6320-01-445-5893
NSN 6145-00-929-0008
NSN 6610-01-297-7004
NSN 6645-01-573-7603
NSN 5935-00-427-0479