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 6150-01-549-4020
NSN 5920-01-625-2248
NSN 6645-01-191-5081
NSN 5998-01-193-6788
NSN 6145-01-272-9153
NSN 5945-00-379-6745
NSN 6645-01-196-6277
NSN 6650-01-251-8520
NSN 5935-01-277-8170
NSN 6685-00-209-4400
NSN 5905-01-421-1239
NSN 5895-00-050-0785