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 6620-01-519-2628
NSN 5975-00-247-8671
NSN 5910-01-265-3942
NSN 6110-00-703-2023
NSN 6130-01-417-5229
NSN 6650-01-148-7911
NSN 7035-00-631-3782
NSN 5895-01-104-9611
NSN 6685-01-142-0943
NSN 7035-01-408-8698
NSN 5930-01-154-9862
NSN 6130-00-999-1116