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 6645-01-612-6885
NSN 5950-00-138-1463
NSN 5965-01-535-0553
NSN 6685-01-189-0503
NSN 6685-01-210-4404
NSN 6150-01-054-3983
NSN 6110-01-188-0385
NSN 5915-01-003-0984
NSN 5935-00-779-1170
NSN 6320-00-857-4073
NSN 6645-01-411-5657
NSN 5985-00-807-5215