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 5930-00-905-6459
NSN 6650-01-412-4217
NSN 6130-00-260-1791
NSN 5965-01-442-0490
NSN 5999-01-423-7922
NSN 6685-01-406-2919
NSN 6320-01-006-6138
NSN 5996-01-613-5825
NSN 6620-01-367-0844
NSN 5960-00-515-7366
NSN 5996-00-543-1566
NSN 5910-01-118-9610