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 5945-01-437-9410
NSN 5915-01-087-6686
NSN 6620-01-266-8894
NSN 4140-01-133-9011
NSN 5950-01-266-7870
NSN 6645-00-943-9063
NSN 7035-01-106-3476
NSN 6240-01-364-8696
NSN 6610-00-105-3061
NSN 5998-00-565-6123
NSN 5895-01-417-0802
NSN 5975-01-476-0071