48-52 f1 pitman arm nut. Need help

[BCOWANWHEELS]

COULD SOMEBODY TELL ME what size nut goes on the 48-52 ford F1 sector shaft where the pitman arm goes ? i believe it 7/8" x 14 tpi. is this correct ? i need 2 nuts real bad so if anybody has any for sale please let me know. i have 2 real nice ones i believe for 32 ford boxes but there different i believe. all my threads are real nice. any help is greatly appreciated.
regards
bob

 

[Ross F-1]

That is correct. See below...

It's a standard 7/8-UNF grade 8 nut. Check NAPA

 

[BCOWANWHEELS]

got it all worked out fellas. my eyes are getting bad now and it turnned out there was some grit in the nut and in the depths of the sector threads. got it all cleanned out and life is good praise god.
regards
old man bob