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 5950-01-451-4538
NSN 6110-01-330-4906
NSN 5975-00-501-8058
NSN 5975-00-679-6738
NSN 5855-01-357-7907
NSN 6150-00-577-7050
NSN 5910-00-825-5288
NSN 5985-01-513-6656
NSN 5965-01-532-6779
NSN 5999-01-221-9175
NSN 6240-00-589-4515
NSN 6135-01-375-6724