Boeing 707 - Page 11

Table 5 INSTALLATION TORQUE FOR COPPER TERMINALS (Continued)
Stud Size Hardware
Torque
(inch-pound)
Minimum Maximum
6-32
Nut, Plain 7 9
Nut, Plain With Lockwasher 7 9
Nut, Self-Locking 7 9
8-32
Nut, Plain 12 16
Nut, Plain With Lockwasher 12 16
Nut, Self-Locking 12 16
10-32
Nut, Plain 28 32
Nut, Plain With Lockwasher 28 32
Nut, Self-Locking 28 32
12-24
Nut, Plain 23 25
Nut, Plain With Lockwasher 23 25
Nut, Self-Locking 23 25
1/4
Nut, Plain 65 85
Nut, Plain With Lockwasher 65 85
Nut, Self-Locking 65 85
5/16
Nut, Plain 115 135
Nut, Plain With Lockwasher 135 155
Nut, Self-Locking 135 155
3/8
Nut, Plain 150 180
Nut, Plain With Lockwasher 170 200
Nut, Self-Locking 180 210
1/2
Nut, Plain With Lockwasher 480 530
Nut, Self-Locking 480 530
(1) To install a single terminal on a stud, refer to Figure 9 and Table 4.
ELECTRICAL CONNECTION OF EQUIPMENT AND INSTALLATION OF TERMINAL LUGS
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-00
Page 11
Oct 15/2020D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details