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 5996-01-391-7403
NSN 6220-00-712-1779
NSN 6105-00-540-5616
NSN 6320-00-731-6134
NSN 6220-01-436-9537
NSN 6150-01-208-4683
NSN 6240-01-105-1399
NSN 6110-01-309-0060
NSN 7035-01-281-3642
NSN 6135-00-932-3136
NSN 6145-00-901-8619
NSN 6620-01-272-4746