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 6685-01-177-9447
NSN 5960-00-490-0138
NSN 5905-01-318-9530
NSN 5925-00-553-9899
NSN 6645-01-011-6459
NSN 6135-00-087-5300
NSN 6320-00-546-9249
NSN 6110-01-317-3669
NSN 5835-01-435-4139
NSN 6240-01-454-8439
NSN 5950-01-053-5902
NSN 5855-01-391-7077