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 5950-01-381-1361
NSN 5960-00-168-3594
NSN 6320-01-610-4410
NSN 7035-01-474-9537
NSN 5985-00-053-9111
NSN 6145-00-239-2143
NSN 5920-01-105-0684
NSN 5996-01-444-7283
NSN 5855-00-165-3093
NSN 5996-01-091-4836
NSN 5965-01-486-3564
NSN 6135-00-840-6451