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  | TORQUE SPECIFICATIONS FOR  | 
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  | STANDARD  | MACHINE  | 
  | HARDWARE | 
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  | TOLERANCE +20% | 
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S I Z E  | SAE GRADE #2  | 
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  | SAE GRADE #5  | 
  | SAE GRADE #S  | |||||||
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  | 0  | 
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  | Q  | 8  | 
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  | In./Lbs.  | 
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  | In./Lbs. | 
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  | InJLbs.  | 
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  | FtJLbs.  | 
  | N m .  | 
  | Ft./Lbs. | 
  | Nm.  | 
  | Ft./Lbs.  | 
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  | Nm.  | |
19  | 2.1  | 
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  | 30  | 3.4  | 41  | 
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  | 4.6  | ||||
20  | 2.3  | 
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  | 31  | 3.5  | 43  | 
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  | 4.9  | ||||
1   | 27  | 3.1  | 
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  | 43  | 4.9  | 60  | 
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  | 6.8  | |||
1   | 31  | 3.5  | 
  | -  | 49  | 5.5  | 68  | -  | 
  | 7.7  | |||
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  | -  | 
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66  | 7.6  | 
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  | 8  | 10.9  | 12  | 
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  | 16.3  | ||||
76  | 8.6  | 
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  | 10  | 13.6  | 14  | 
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  | 19.  | ||||
5/i   | 11  | 15.  | 
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  | 17  | 23.1  | 25  | 
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  | 34.  | |||
5/l   | 12  | 16.3  | 
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  | 19  | 25.8  | 25  | 
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  | 34.  | |||
20  | 27.2  | 
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  | 30  | 40.8  | 45  | 
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  | 61.2  | ||||
23  | 31.3  | 
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  | 35  | 47.6  | 50  | 
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  | 68.  | ||||
30  | 40.8  | 
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  | 50  | 68.  | 70  | 
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  | 95.2  | ||||
7/l   | 35  | 47.6  | 
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  | 55  | 74.8  | 80  | 
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  | 108.8  | |||
50  | 68.  | 
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  | 75  | 102.  | 110  | 
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  | 149.6  | ||||
55  | 74.8  | 
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  | 90  | 122.4  | 120  | 
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  | 163.2  | ||||
65  | 88.4  | 
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  | 110’ | 149.6 | 150  | 
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  | 204.  | ||||
9/l   | 75  | 102.  | 
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  | 120 | 163.2  | 170  | 
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  | 231.2  | |||
90,  | 122.4  | 
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  | 150 | 204.  | 220  | 
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  | 299.2  | ||||
100 | 136.  | 
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  | 180 | 244.8  | 240  | 
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  | 326.4  | ||||
160 | 217.6  | 
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  | 260 | 353.6  | 386  | 
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  | 525.  | ||||
180  | 244.8  | 
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  | 300 | 408.  | 420  | 
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  | 571.2  | ||||
140 | 190.4  | 
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  | 400 | 544.  | 600  | 
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  | 816.  | ||||
155 | 210.8  | ..  | I.- 440  | 598.4  | 660  | 
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  | 897.6  | |||||
220  | 299.2  | 
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  | 580 | 788.8  | 900  | 
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  | 1,224.  | ||||
240  | 326.4  | 
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  | 640 | 870.4 | 1,000 | 
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  | 1,360. | ||||
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NOTE:
1.These torque values are to be used for all hardware excluding: locknuts, 
2.Recommended seating torqwvalues for locknuts: a. For prevailing torque locknuts - use 65% of arede 5
torqbes. -
b. For flange whiilock huts (and screws) - use 135% of wade 5 toraues.
3.Unle& other& noted on assembly drawings all torque values must meet this specification.
BOLT HEAD MARKING
S.A.E. GRADE:
20