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.
Classification: Nuts of iron or steel
NSN 6135-00-073-8939
NSN 5999-01-067-8666
NSN 5975-01-515-8822
NSN 6685-01-163-6926
NSN 5960-00-055-3358
NSN 6610-00-764-4015
NSN 6105-00-118-1508
NSN 5945-01-569-4852
NSN 5996-01-369-7696
NSN 4140-01-486-4152
NSN 5855-01-436-7621
NSN 6220-00-412-2741