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 4140-01-326-2347
NSN 6610-00-401-2601
NSN 5910-00-167-1728
NSN 5915-00-840-7655
NSN 5925-00-666-4753
NSN 5996-01-181-7057
NSN 5965-01-312-7972
NSN 5965-01-074-7306
NSN 6105-00-580-1435
NSN 6110-01-202-8009
NSN 5930-01-573-7265
NSN 6150-01-470-8294