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 6620-01-168-8450
NSN 6145-00-374-3826
NSN 6645-00-472-4048
NSN 6685-01-159-1254
NSN 5985-01-403-2835
NSN 5930-01-611-7850
NSN 6240-00-097-8505
NSN 6610-01-364-8295
NSN 6610-00-315-9315
NSN 2925-00-139-8309
NSN 5950-01-206-4717
NSN 6135-00-985-7887