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 5915-01-549-6634
NSN 7035-00-371-7749
NSN 4140-01-243-1658
NSN 5965-00-035-4556
NSN 6130-01-422-1638
NSN 5998-00-171-2355
NSN 6620-01-186-4374
NSN 5965-00-049-7649
NSN 5920-01-591-6749
NSN 5915-01-559-1326
NSN 6610-01-119-7873
NSN 6650-01-590-1330