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 6240-01-256-8132
NSN 6610-00-841-1861
NSN 6220-01-054-2804
NSN 6105-01-042-6633
NSN 6110-00-659-3348
NSN 5945-00-150-3034
NSN 5998-01-421-3503
NSN 5910-01-644-9732
NSN 5985-01-406-3737
NSN 6645-01-138-3855
NSN 4140-01-240-6125
NSN 6650-00-554-4568