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 6685-00-291-1151
NSN 5975-01-158-0386
NSN 6135-01-606-0596
NSN 5920-01-366-6995
NSN 5835-01-371-8759
NSN 6645-00-522-4173
NSN 5945-00-412-1693
NSN 5895-00-525-3295
NSN 5999-01-217-6165
NSN 5835-01-411-7050
NSN 6685-01-269-2991
NSN 5950-00-502-4988