A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6240-00-433-2707
NSN 6620-00-148-9613
NSN 5920-01-413-7292
NSN 6320-01-425-1417
NSN 5935-00-908-6899
NSN 6620-01-313-0058
NSN 5855-01-020-7982
NSN 6150-01-281-9489
NSN 6110-00-237-4862
NSN 5999-01-281-8193
NSN 5910-00-652-6057
NSN 6110-01-098-9864