- 12 3/4 430-455 4.86-5.15

 - 16 1 900-950 10.17-10.73

 - 20 1-1/4 900-950 10.17-10.73

 - 24 1-1/2 1000-1075 11.30-12.15

 - 28 1-3/4 1000-1075 11.30-12.15

 - 32 2 1000-1075 11.30-12.75

 (3) Torque values for flared tube steel coupling nuts.
 ---------------------------------------------------------------------------
OUTSIDE
 DASH DIAMETER TORQUE VALUE
 SIZE INCHES lbf.in m.daN

 ---------------------------------------------------------------------------
-2 1/8 90-100 1.02-1.13
 -3 3/16 90-100 1.02-1.13
 -4 1/4 135-150 1.53-1.70
 -5 5/16 180-200 2.03-2.26
 -6 3/8 270-300 3.05-3.39
 -8 1/2 450-500 5.09-5.65
 - 10 5/8 650-700 7.35-7.91

 - 12 3/4 900-1000 10.17-11.30

 - 14 7/8 1000-1100 11.30-12.43

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OUTSIDE
 DASH DIAMETER TORQUE VALUE
 SIZE INCHES lbf.in m.daN ---------------------------------------------------------------------------
- 16 1.0 1200-1400 13.56-15.82

 - 20 1-1/4 1200-1400 13.56-15.82

 - 24 1-1/2 1500-1800 16.95-20.34

 NOTE : Tube nominal size or outside diameter is equal to the amount
____
 of torque that is given in the table.

 - Hold the coupling hex with a wrench when you tighten or loosen the B-nut.
 (4) Torque values for flareless tube steel coupling nuts.
 -------------------------------------------------------------------------NOMINAL OUTSIDE DIAMETER TORQUE VALUE SIZE INCHES lbf.in m.daN -------------------------------------------------------------------------
-3 3/16 95-105 1.07-1.19
 -4 1/4 135-145 1.53-1.64
 -5 5/16 170-190 1.92-2.15
 -6 3/8 215-245 2.43-2.77
 -8 1/2 430-470 4.86-5.31
 - 10 5/8 620-680 7.01-7.68

 - 12 3/4 855-945 9.66-10.68

 - 16 1 1140-1260 12.88-14.24

 - 20 1-1/4 1520-1680 17.18-18.98

 - 24 1-1/2 1900-2100 21.47-23.73

 NOTE : Tube nominal size or outside diameter is equal to the amount
____
 of torque that is given in the table.

 - Hold the coupling hex with a wrench when you tighten or loosen the B-nut.
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 (5) Torque values for screws, bolts, and studs with castellated nuts (MS21042, MS21043, NAS679, Specification 48 FT) and low height nutplates.
 ---------------------------------------------------------------------------THREAD NOMINAL SIZE TORQUE VALUE INCHES lbf.in m.daN ---------------------------------------------------------------------------
6-32  8-10  0.09-0.11
 8-32  12-15  0.14-0.17
 10-32  20-25  0.23-0.28
 1/4-28  50-70  0.57-0.79
 5/16-24  100-140  1.13-1.58
 3/8-24  160-190  1.81-2.15
 7/16-20  450-500  5.08-5.65
 1/2-20  480-690  5.42-7.80
 9/16-18  800-1000  9.04-11.30
 5/8-18  1100-1300  12.43-14.69

 ---------------------------------------------------------------------------THREAD NOMINAL SIZE TORQUE VALUE INCHES lbf.ft m.daN
 ---------------------------------------------------------------------------3/4-16 192-208 26.11-28.29 7/8-14 208-250 28.29-34.00
 1-12 308-458 41.89-62.29
 1-1/8-12 417-583 56.71-79.29
 1-1/4-12 750-917 102.00-124.71

 (6) Torque values for AN316 and NSA1022 shear type nuts.
 ---------------------------------------------------------------------------THREAD NOMINAL SIZE TORQUE VALUE INCHES lbf.in m.daN
 ---------------------------------------------------------------------------6-32 5-7 0.06-0.08 8-32 8-10 0.09-0.11
 10-32 12-15 0.14-0.17
 1/4-28 30-40 0.34-0.45
 5/16-24 60-85 0.68-0.96
 3/8-24 95-110 1.07-1.24
 7/16-20 270-300 3.05-3.39
 1/2-20 290-410 3.28-4.63
 9/16-18 480-600 5.42-6.78

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