A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5998-01-499-0981
NSN 6645-00-641-3202
NSN 5835-01-495-0595
NSN 5925-01-077-9949
NSN 5835-01-132-5894
NSN 6645-01-495-0939
NSN 5960-01-085-4231
NSN 4140-01-160-7699
NSN 6685-01-481-5634
NSN 5935-01-251-6049
NSN 5915-01-170-2751
NSN 4140-01-481-1287