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 6650-01-248-7633
NSN 5998-01-432-2334
NSN 6685-01-286-1375
NSN 5925-01-378-0038
NSN 6240-01-109-1823
NSN 6105-00-459-5261
NSN 5945-01-438-9513
NSN 5915-01-522-3718
NSN 6220-01-401-5337
NSN 4140-01-622-8723
NSN 6105-00-126-7727
NSN 5895-00-525-3295