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 6610-01-541-0880
NSN 6620-01-643-3048
NSN 6145-01-330-6794
NSN 6320-01-495-0512
NSN 5920-01-630-7923
NSN 5855-01-290-3248
NSN 5999-01-507-2554
NSN 6130-01-608-9073
NSN 6105-01-604-0856
NSN 5950-01-291-0305
NSN 6620-00-939-8902
NSN 2925-01-513-9114