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 5965-00-791-0964
NSN 6110-01-534-6435
NSN 5960-01-366-6246
NSN 5999-00-940-0654
NSN 6620-01-566-1142
NSN 5996-01-025-5683
NSN 5920-00-921-0390
NSN 4140-01-382-1682
NSN 5945-01-324-8969
NSN 6145-01-651-4601
NSN 6220-00-285-8104
NSN 6650-01-499-7471