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 4140-00-883-8919
NSN 5990-00-389-0554
NSN 6105-01-424-7570
NSN 5935-01-381-3083
NSN 5895-01-474-9946
NSN 5920-00-521-8331
NSN 5975-01-381-5747
NSN 4140-01-280-0567
NSN 5960-01-408-6290
NSN 6320-01-285-1922
NSN 6620-01-575-9561
NSN 5935-00-525-6233