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 6150-01-650-3480
NSN 6110-00-314-1838
NSN 6110-01-557-1975
NSN 6320-00-977-3930
NSN 6220-01-058-1140
NSN 6150-00-246-6673
NSN 4140-00-089-0490
NSN 6150-01-515-2467
NSN 6645-01-128-9353
NSN 4140-01-265-0731
NSN 6145-00-887-6395
NSN 5985-01-506-1466