A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
NSN 5990-00-247-0975
NSN 5910-01-392-1055
NSN 6135-00-932-3136
NSN 5915-00-734-4399
NSN 5945-00-934-9045
NSN 5965-01-605-1753
NSN 5985-01-655-4581
NSN 6105-01-203-0589
NSN 6240-01-147-0379
NSN 5950-01-513-3102
NSN 2925-00-781-1273
NSN 5965-00-355-9564