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 6220-01-280-5353
NSN 5975-00-503-4697
NSN 5985-01-056-6392
NSN 5975-01-142-6169
NSN 5915-01-258-5799
NSN 5895-01-562-0298
NSN 4140-01-512-6903
NSN 6145-00-873-4808
NSN 5855-00-862-3345
NSN 5985-01-298-2837
NSN 6620-00-079-0311
NSN 5950-01-251-1386