SAE Face Seal Fitting Torque Chart-Standard Pressure Applications
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| SAE Inch Face Seal Fitting Torque Chart-Standard Pressure-Below 27.6 MPA (4,000 PSI), Working Pressure-27.6 MPA (4,000 PSI) | |||||||||||
| Nominal Tube OD/Hose ID | Face Seal Tube/Hose End | O-Ring Stud Ends | |||||||||
| Metric Tube OD | Inch Tube OD | Thread Size | Tube Nut/Swivel Nut Torquea | Bulkhead Lock Nut Torquea | Thread Size | Straight Fitting or Lock Nut Torquea | |||||
| mm | Dash Size | in. | mm | in. | N·m | lb-ft | N·m | lb-ft | in. | N·m | lb-ft |
| 5 | -3 | 0.188 | 4.76 | - | - | - | - | - | 3/8-24 | 8 | 6 |
| 6 | -4 | 0.250 | 6.35 | 9/16-18 | 24 | 18 | 12 | 9 | 7/16-20 | 12 | 9 |
| 8 | -5 | 0.312 | 7.94 | - | - | - | - | - | 1/2-20 | 16 | 12 |
| 10 | -6 | 0.375 | 9.52 | 11/16-16 | 37 | 27 | 24 | 18 | 9/16-18 | 24 | 18 |
| 12 | -8 | 0.500 | 12.70 | 13/16-16 | 50 | 37 | 46 | 34 | 3/4-16 | 46 | 34 |
| 16 | -10 | 0.625 | 15.88 | 1-14 | 69 | 51 | 62 | 46 | 7/8-14 | 62 | 46 |
| 20 | -12 | 0.750 | 19.05 | 1-3/16-12 | 102 | 75 | 102 | 75 | 1-1/16-12 | 102 | 75 |
| 22 | -14 | 0.875 | 22.22 | 1-3/16-12 | 102 | 75 | 102 | 75 | 1-3/16-12 | 122 | 90 |
| 25 | -16 | 1.000 | 25.40 | 1-7/16-12 | 142 | 105 | 142 | 105 | 1-5/16-12 | 142 | 105 |
| 32 | -20 | 1.25 | 31.75 | 1-11/16-12 | 190 | 140 | 190 | 140 | 1-5/8-12 | 190 | 140 |
| 38 | -24 | 1.50 | 38.10 | 2-12 | 217 | 160 | 217 | 160 | 1-7/8-12 | 217 | 160 |
| aTolerance is +15%, minus 20% of mean tightening torque unless otherwise specified. | |||||||||||
FS41334,00004F1 -19-14FEB08-1/1 |