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 6620-00-068-2503
NSN 6650-01-071-7985
NSN 7035-01-542-5972
NSN 6220-01-294-4547
NSN 5950-01-191-9620
NSN 6685-01-464-1304
NSN 5935-01-654-4784
NSN 6610-01-010-3915
NSN 6150-00-098-3970
NSN 5985-01-025-4485
NSN 6610-00-063-8489
NSN 5960-01-435-1167