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 6620-00-068-2503
NSN 4140-00-551-3151
NSN 5985-01-525-7264
NSN 5920-01-586-6328
NSN 2925-00-502-3768
NSN 6150-01-400-4211
NSN 6320-01-265-8703
NSN 5950-01-500-9121
NSN 5950-01-629-8340
NSN 7035-01-368-3338
NSN 6610-00-288-5655
NSN 6145-00-836-0510