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 6645-01-531-4918
NSN 6610-01-514-7755
NSN 5996-01-539-9348
NSN 5910-01-476-7272
NSN 4140-01-207-0452
NSN 6135-00-484-8556
NSN 5910-01-039-6205
NSN 5905-00-518-2169
NSN 6685-00-248-5675
NSN 5895-01-363-9865
NSN 5975-01-371-8284
NSN 5925-01-103-7015