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 6650-01-090-0719
NSN 5915-01-190-6747
NSN 5960-01-560-8461
NSN 4140-01-047-4093
NSN 5905-01-269-5302
NSN 6645-01-247-4549
NSN 5945-01-576-8492
NSN 6620-00-379-2856
NSN 6320-01-425-1417
NSN 6105-00-381-8599
NSN 6645-01-644-8376
NSN 5998-00-988-1650