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 6650-01-056-4158
NSN 6650-01-610-0010
NSN 6135-00-932-3136
NSN 6320-01-512-2031
NSN 6650-00-197-7563
NSN 6105-00-885-0773
NSN 5910-00-437-7645
NSN 6135-01-632-9323
NSN 6620-00-589-6510
NSN 4140-00-574-1869
NSN 5996-01-089-5339
NSN 6610-00-864-4730