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 5910-01-410-2850
NSN 5990-00-173-9401
NSN 5930-01-237-1727
NSN 6620-00-608-1480
NSN 5990-01-360-2900
NSN 4140-00-821-5734
NSN 5960-01-335-6969
NSN 5905-01-512-2297
NSN 6645-01-028-2186
NSN 5998-01-456-9513
NSN 6320-00-845-3261
NSN 6110-01-086-8076