Fast RH15, Owner'S Manual

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TIGHTENING HARDWARE
TIGHTENING HARDWARE Rotary Hoe RH15 / RH18 Page 59
SAE Face Seal and O-Ring Stud End Fitting Torque Chart
SAE Face Seal and O-Ring Stud End Fitting Torque Chart - Standard Pressure-Below 27.6 MPA (4,000 PSI)
Nominal Tube OD
Hose ID
O-Ring Face Seal/
Tube Swivel Nut
Bulkhead Jam
Nut Torque
O-Ring Straight, Adjustable, and External
Port Plug Stud Ends
6
Metric
Tube
OD
Inch Tube OD
Thread
Size
Swivel
Nut
Hex
Size
Tube Nut
Swivel
Nut
Torque
Jam
Nut
Hex
Size
Jam Nut
Torque
Thread
Size
Straight
Hex
Size
7
Adj
Lock
Nut
Hex
Size
Steel or
Gray Iron
Torque
Aluminum
or Brass
Torque
8
mm
Dash
Size
in. mm in. in. N-m
lb.-
ft
N-
m
lb.-
ft
in. in. in. N-m
lb.-
ft
N-m lb.-ft
5 -3 0.188 4.78 — — — — — — — 3/8-24 5/8 9/16 12 9 8 6
6 -4 0.250 6.35 9/16-18 11/16 16 12 13/16 32 24 7/16-20 5/8 5/8 16 12 11 8
8 -5 0.312 7.92 — — — — — — — 1/2-20 3/4 11/16 24 18 16 12
10 -6 0.375 9.53 11/16-16 13/16 24 18 1 42 31 9/16-18 3/4 3/4 37 27 25 18
12 -8 0.500 12.70 13/16-16 15/16 50 37 1-1/8 93 69 3/4-16 7/8 15/16 50 37 33 25
16 -10 0.625 15.88 1-14 1-1/8 69 51 1-5/16 118 87 7/8-14 1-1/16
1-
1/16
69 51 46 34
20 -12 0.750 19.05 13/16-12 1-3/8 102 75 1-1/2 175 129
11/16-
12
1-1/4 1-3/8 102 75 68 50
22 -14 0.875 22.23 13/16-12 — 102 75 — 175 129
13/16-
12
1-3/8 1-1/2 122 90 81 60
25 -16 1.000 25.40 17/16-12 1-5/8 142 105 1-3/4 247 182
15/16-
12
1-1/2 1-5/8 142 105 95 70
32 -20 1.25 31.75 1-11/16-12 1-7/8 190 140 2 328 242
1-5/8-
12
1-3/4 1-7/8 190 140 127 93
38 -24 1.50 38.10 2-12 2-1/4 217 160 2-3/8 374 276
1-7/8-
12
2-1/8 2-1/8 217 160 145 107
50.8 -32 2.000 50.80 — — — — — — —
2-1/2-
12
2-3/4 2-3/4 311 229 207 153
6
Tolerance is +15%/-20% of mean tightening torque unless otherwise specified.
7
The straight hex wrench sizes listed apply to connectors only and may not be the same as the
corresponding plug of the same thread size.
8
These torques were established using steel plated connectors in aluminum and brass.