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 5999-00-175-9783
NSN 6220-01-354-7598
NSN 6320-01-451-0821
NSN 6620-01-302-9729
NSN 5925-01-511-4405
NSN 5920-01-168-7810
NSN 5905-01-077-2408
NSN 6130-00-394-3421
NSN 6650-01-389-9212
NSN 5985-01-352-0428
NSN 5930-00-115-0153
NSN 6240-01-259-9890