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 6645-00-253-3906
NSN 7035-01-550-8668
NSN 6135-01-059-4055
NSN 5835-01-360-2657
NSN 5855-01-149-4110
NSN 6645-01-036-1182
NSN 6135-00-752-1589
NSN 5960-00-488-4798
NSN 5895-00-389-7171
NSN 5965-00-486-7907
NSN 5985-01-175-0924
NSN 5996-01-458-3885