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 6610-00-420-8475
NSN 6620-00-860-1626
NSN 5945-01-281-7404
NSN 6135-01-480-8121
NSN 5910-01-477-1022
NSN 5905-01-019-2340
NSN 5990-01-408-6554
NSN 6320-00-228-5678
NSN 5855-01-366-2429
NSN 6105-01-446-5610
NSN 6620-01-230-0197
NSN 5945-01-183-3768