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 5950-01-441-7861
NSN 5950-01-215-1260
NSN 5915-00-146-4577
NSN 5935-01-113-2773
NSN 6610-00-664-2190
NSN 6610-01-545-4080
NSN 6320-00-886-9771
NSN 6240-00-660-8849
NSN 4140-00-790-7995
NSN 6240-01-369-5992
NSN 5999-00-467-4012
NSN 5895-00-160-7660