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 5920-00-569-6435
NSN 4140-01-107-5755
NSN 6220-01-037-0383
NSN 6610-01-295-6327
NSN 6320-01-399-6177
NSN 5835-01-208-1939
NSN 5925-01-225-7757
NSN 5965-00-170-5254
NSN 4140-01-209-4215
NSN 5905-01-083-0110
NSN 5945-01-199-3800
NSN 4140-00-447-1613