Case 580N EP - Page 53

INTRODUCTION
TorquesforInchO-RingBoss(ORB)portplug
Ferrous
SAE
Dashsize
UN/UNF
Threadsize
InternalHexExternalHex
Non-Ferrous
2
5/16–24
7.5N·m(5.5lbft)12.5N·m(9.2lbft)7.5N·m(5.5lbft)
3
3/8–24
14.5N·m(10.7lbft)21N·m(15.5lbft)12.5N·m(9.2lbft)
4
7/16–20
21N·m(15.5lbft)37N·m(27.3lbft)22N·m(16.2lbft)
5
1/2–20
28N·m(20.7lbft)42N·m(31.0lbft)25N·m(18.4lbft)
6
9/16–18
47N·m(34.7lbft)47N·m(34.7lbft)28N·m(20.7lbft)
8
3/4–16
89N·m(65.6lbft)89N·m(65.6lbft)53N·m(39.1lbft)
10
7/8–14
116N·m(85.6lbft)116N·m(85.6lbft)70N·m(51.6lbft)
12
1-1/16–12
176N·m(129.8lbft)176N·m(129.8lbft)106N·m(78.2lbft)
14
1-3/16–12
247N·m(182.2lbft)247N·m(182.2lbft)148N·m(109.2lbft)
16
1-5/16–12
284N·m(209.5lbft)284N·m(209.5lbft)170N·m(125.4lbft)
20
1-5/8–12
357N·m(263.3lbft)357N·m(263.3lbft)214N·m(157.8lbft)
24
1-7/8–12
441N·m(325.3lbft)441N·m(325.3lbft)265N·m(195.5lbft)
32
2-1/2–12
536N·m(395.3lbft)536N·m(395.3lbft)322N·m(237.5lbft)
NOTE:Finaltorquetolerance+/–10%ofthegiventorquespecication.
4819454220/11/2017
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