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 6320-01-089-9086
NSN 5998-00-754-0663
NSN 5855-01-280-9735
NSN 4140-01-421-4045
NSN 5960-01-530-1808
NSN 6145-01-645-4167
NSN 5920-01-579-4050
NSN 5855-01-042-7990
NSN 5985-00-238-7071
NSN 5990-01-153-0679
NSN 5985-00-277-7371
NSN 6620-01-168-8450