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 6145-01-613-7549
NSN 6145-01-332-4553
NSN 6620-01-173-3284
NSN 6320-01-265-0665
NSN 5855-00-610-4052
NSN 6110-01-310-6643
NSN 5975-00-118-7063
NSN 5910-01-397-3329
NSN 5910-01-050-9169
NSN 6130-01-413-5344
NSN 6645-01-146-3323
NSN 5985-00-661-2263