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 5965-01-535-0718
NSN 5950-01-628-3890
NSN 5990-01-254-3197
NSN 6130-01-485-0411
NSN 5999-01-250-2623
NSN 6220-01-190-6307
NSN 5998-01-312-9549
NSN 6110-01-044-7884
NSN 6240-00-253-7611
NSN 6240-01-190-9523
NSN 6610-01-640-9039
NSN 4140-01-073-3777