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 4140-01-406-3626
NSN 6320-00-701-0437
NSN 5950-00-170-9103
NSN 5975-00-883-5806
NSN 5965-01-431-7377
NSN 5985-00-446-2756
NSN 5965-01-381-2998
NSN 6110-01-170-7363
NSN 6650-01-057-2377
NSN 5925-01-565-9947
NSN 5920-00-876-8989
NSN 5935-00-410-6400