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 4140-01-261-2966
NSN 5998-01-391-1702
NSN 5910-01-253-9814
NSN 6645-01-469-2458
NSN 6220-01-227-1917
NSN 5925-00-536-7651
NSN 5855-01-143-7051
NSN 5975-01-258-0619
NSN 7035-00-763-6180
NSN 6105-01-535-2291
NSN 6145-01-411-7179
NSN 5996-00-259-0309