General Information and Specifications
2-37
6036, 6042, 8042, 10042, 10054 31211015
b. 37° Flare (JIC) Thread - Aluminum Brass
TYPE/FITTING IDENTIFICATION
Flats From
Wrench
Resistance
(F.F.W.R)**
Material
Dash
Size
Thread
Size
ØA* ØB* [Ft-Lb] [Nm]
(UNF) (in) (mm) (in) (mm) Min Nom Max Min Nom Max
ALUMINUM/BRASS
FITTINGS OR
ALUMINUM/BRASS
MATING
COMPONENTS;
UN-LUBRICATED
THREADS
25/16-240.287.000.317.75445567 --
3 3/8-240.348.600.379.50567789 --
4 7/16-20 0.39 10.00 0.44 11.10 8 9 9 11 12 13 1-1/2 to 1-3/4
5 1/2-20 0.46 11.60 0.50 12.70 9 10 10 12 13 14 1 to 1-1/2
6 9/16-18 0.51 13.00 0.56 14.30 14 15 16 19 20 21 1 to 1-1/2
8 3/4-16 0.69 17.60 0.75 19.10 27 29 30 37 39 41 1-1/2 to 1-3/4
10 7/8-14 0.81 20.50 0.87 22.20 39 41 43 53 56 58 1 to 1-1/2
12 1 1/16-12 0.97 24.60 1.06 27.00 55 57 60 74 78 81 1 to 1-1/2
14 1 3/16-12 1.11 28.30 1.19 30.10 65 68 72 88 93 97 1 to 1-1/2
16 1 5/16-12 1.23 31.30 1.31 33.30 77 81 84 104 109 114 3/4 to 1
20 1 5/8-12 1.54 39.20 1.63 41.30 109 115 120 148 155 163 3/4 to 1
24 1 7/8-12 1.80 45.60 1.87 47.60 127 133 139 172 180 189 3/4 to 1
32 2 1/2-12 2.42 61.50 2.50 63.50 172 181 189 234 245 257 3/4 to 1
NOTE:
* ØA and ØB thread dimensions for reference only.
** Refer to ,Section 2.9.15, “FFWR and TFFT Methods,” for FFWR procedure requirements.