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 5905-01-243-4509
NSN 5910-01-467-2404
NSN 6110-01-312-1981
NSN 6240-01-487-4386
NSN 5999-01-327-3067
NSN 6220-01-466-4346
NSN 6110-01-653-1405
NSN 5895-00-503-4934
NSN 4140-00-045-8117
NSN 6610-01-342-2319
NSN 5965-01-568-5399
NSN 5950-00-068-8381