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 5945-00-213-0101
NSN 5925-01-280-5451
NSN 6240-01-017-5689
NSN 6105-00-212-8013
NSN 5910-01-151-0157
NSN 5999-01-322-6649
NSN 6110-01-652-7327
NSN 5960-00-715-0190
NSN 6645-00-903-3731
NSN 6220-01-545-3267
NSN 5855-01-603-9045
NSN 6240-01-465-9045