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SAE ORB port fittings tightening torque spec SAE J1926-2

Date:Mar 27, 2020

SAE UNF O-ring boss port adaptors; straight and phased (heavy duty S series)

 

SAE thread

(UN/UNF-2A)

Adapter Torque  into aluminium  body (Nm)

 Adapter

Torque  into ferrous  body

(Nm)

Plug

Torque  into ferrous  body

(Nm)

3/8” - 24

10 - 12

10 - 12

20 - 22

7/16" - 20

20 - 22

20 - 22

35 - 39

½” - 20 non-preferred

 

25 - 27.5

 

25 - 27.5

 

40 - 44

9/16" - 18

31 - 37

35 - 39

45 - 50

3/4" - 16

45 - 50

70 - 77

85 - 93

7/8" - 14

65 - 71

100 - 110

110 - 120

1-1/16" - 12

95 - 108

170 - 187

170 - 187

1-3/16" - 12

127 - 140

215 - 236

215 - 236

1-5/16" - 12

158 - 169

270 - 297

270 - 297

1-5/8" - 12

197 - 210

285 - 310

*

1-7/8" - 12

220 - 235

370 - 400

*

 

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