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 4140-01-222-9368
NSN 2925-01-446-6976
NSN 5960-01-088-6553
NSN 5985-00-285-8466
NSN 6610-00-285-5366
NSN 5945-00-646-5872
NSN 5950-01-562-6727
NSN 6145-00-117-8861
NSN 6135-01-265-1384
NSN 6130-01-359-5032
NSN 5945-00-708-2363
NSN 5945-01-392-3583