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 6645-00-574-9712
NSN 5990-01-094-6826
NSN 6145-00-910-8847
NSN 5998-00-938-1783
NSN 5960-01-416-6187
NSN 5950-00-625-8245
NSN 5915-00-509-4678
NSN 6685-00-816-1234
NSN 6650-01-566-1573
NSN 5975-01-631-8357
NSN 6220-01-173-3177
NSN 5985-01-077-2201