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 5990-01-423-8189
NSN 6610-00-156-5699
NSN 4140-01-346-5557
NSN 6135-01-437-9178
NSN 6220-01-253-8827
NSN 6645-01-326-0747
NSN 6620-00-804-8272
NSN 5920-01-409-2830
NSN 5855-00-951-6483
NSN 5915-01-484-8869
NSN 5960-01-215-0992
NSN 6685-00-929-1185