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 6610-01-149-9749
NSN 5905-01-050-1827
NSN 6150-01-232-7261
NSN 5925-01-047-6301
NSN 6320-00-905-0543
NSN 6130-01-107-2617
NSN 5950-00-174-4372
NSN 5999-00-477-1368
NSN 6130-01-432-4520
NSN 5965-01-463-2815
NSN 6650-01-119-0718
NSN 5960-01-223-9466