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 6220-01-519-9305
NSN 5999-00-246-8961
NSN 5999-01-051-5681
NSN 5998-01-198-7301
NSN 5985-00-652-1631
NSN 5950-01-534-2341
NSN 6240-01-622-7371
NSN 5910-01-230-9966
NSN 6320-01-392-6922
NSN 5930-01-353-4149
NSN 6620-00-109-9498
NSN 6240-01-240-6527