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 5835-00-931-5568
NSN 5855-00-494-9581
NSN 6145-01-444-1668
NSN 6220-01-202-6792
NSN 5965-00-882-6949
NSN 5950-00-018-4659
NSN 5920-00-689-9722
NSN 6145-00-210-6257
NSN 5996-01-536-8570
NSN 6645-01-049-6116
NSN 6620-01-357-5045
NSN 7035-00-517-8232