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 6645-00-985-5543
NSN 5905-01-302-3263
NSN 5920-00-835-0615
NSN 6620-01-451-3742
NSN 6105-00-333-2178
NSN 5915-00-822-8800
NSN 6150-01-502-6017
NSN 5998-01-029-4046
NSN 6110-00-886-0540
NSN 6145-01-461-7947
NSN 5985-01-442-7618
NSN 5965-00-170-5254