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 5990-01-339-5118
NSN 5998-01-594-7203
NSN 6610-00-353-9990
NSN 6145-01-057-7267
NSN 6135-01-079-7852
NSN 5975-01-616-0754
NSN 5985-01-613-4718
NSN 6645-01-314-7020
NSN 6150-01-078-8101
NSN 6135-00-603-4859
NSN 5930-01-622-7715
NSN 6150-00-003-2233