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 6150-01-159-2691
NSN 5905-00-277-7439
NSN 5920-00-800-8998
NSN 5985-01-634-0635
NSN 6110-01-578-5481
NSN 4140-00-189-0235
NSN 6145-00-593-5445
NSN 7035-01-413-6697
NSN 5915-01-235-1245
NSN 5935-01-316-5934
NSN 5985-00-820-3618
NSN 4140-01-463-1331