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 6620-00-410-2638
NSN 6105-01-085-5389
NSN 6135-01-045-1504
NSN 6320-01-290-5271
NSN 5835-00-484-1529
NSN 6320-01-017-5274
NSN 6645-00-285-8781
NSN 4140-01-348-5619
NSN 6650-01-254-6540
NSN 7035-01-603-8672
NSN 5835-01-059-1550
NSN 6650-01-202-9143