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 6645-01-537-0735
NSN 5930-00-969-4089
NSN 5930-01-607-4101
NSN 6110-01-622-7352
NSN 6150-00-981-6732
NSN 5990-01-607-3528
NSN 6110-01-508-3779
NSN 6135-00-856-1343
NSN 5855-01-378-1888
NSN 6620-00-374-3539
NSN 5950-01-272-8485
NSN 6620-00-210-8406