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 5905-01-392-2291
NSN 5990-00-505-1546
NSN 5996-00-209-6992
NSN 5915-01-447-2589
NSN 6610-00-123-4314
NSN 5835-01-447-2544
NSN 6240-00-250-8693
NSN 6105-01-300-2444
NSN 5920-01-057-0593
NSN 5855-00-472-2055
NSN 2925-01-612-0405
NSN 6110-01-077-6673