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 5855-00-904-0684
NSN 6220-01-602-3630
NSN 5945-01-272-0493
NSN 5999-01-467-2666
NSN 6135-00-120-1034
NSN 5960-01-223-1203
NSN 5975-00-665-3644
NSN 6105-01-481-8481
NSN 6220-01-529-2262
NSN 6320-01-301-4699
NSN 6220-01-271-2678
NSN 5965-01-640-8044