Technical data

13773-001
20-80
Page 2 30 Nov 2000
Hydraulic Fitting Torque
Torque for AN-818 Nuts with Steel Tubing
Dash # Tube OD
Inch Pounds Nm
Minimum Maximum Minimum Maximum
-3 3/16 95 105 10.5 11.6
-4 1/4 135 150 14.9 16.5
-6 3/8 270 300 29.7 33.0
-8 1/2 450 500 49.5 55.0
Torque for AN-818 Nuts with Aluminum Alloy Tubing
Dash # Tube OD
Inch Pounds Nm
Minimum Maximum Minimum Maximum
-3 3/16 25 35 2.8 3.9
-4 1/4 50 65 5.5 7.2
-6 3/8 110 130 12.1 14.3
-8 1/2 230 260 25.3 28.6
Torque for Bulkhead Fittings
Dash
#
Tube
OD
Gasketed Fittings Jamnuts and Fittings without Gaskets
Aluminum or Steel Aluminum Steel
Minimum Maximum Minimum Maximum Minimum Maximum
-3 3/16 50 75 65 80 70 90
-4 1/4 55 80 90 105 110 130
-6 3/8 100 150 125 145 225 275
-8 1/2 180 230 240 280 400 450
-10 5/8 250 350 330 370 550 650
-12 3/4 420 600 540 660 800 960