I have a Dana 60 rear axle on my truck and I want to do a brake job on it and I need to buy the socket to take off the rear drums.Does anyone know what size the nut is that holds the rear drums on?, and when I reinstall the rear drums ,what do I torque the wheel bearings down to? Thank you

Can't help you with the socket right now but here are the specs from a 1972 overhaul manual,
5,200-7,200 rear axle capacity
Bearing adjustment nut torque, 50-60 ft. lbs.(with wheel rotating)
Adjusting nut back-off, 1/8 turn.
Outer locknut torque, 175 ft. lbs.
Resulting bearing adjustment, slight preloaded.

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1971 C10 swb stepside 350/700R4/3.73posi