Power steering pump front pulley torque setting

[MilesnMiles]

I have to swap the pulley from my old to new Saginaw power steering pump. Can anyone tell me what torueq the nut that holds on the pulley should be?
Can't seem to find it on the net.

[charger01]

45-55 foot- pounds.

[MilesnMiles]

Thanks Ade, just the trick