Skytrak 8042 - Page 66

General Information and Specifications
2-54
31211015 6036, 6042, 8042, 10042, 10054
f. O-ring Boss (ORB) - Table 6 of 6
TYPE/FITTING IDENTIFICATION
ZERO LEAK GOLD®
HOLLOW HEX PLUGS
Material Dash Size
Thread
Size
ØA*
Torque
[Ft-Lb] [Nm]
(UNF) (in) (mm) Min Nom Max Min Nom Max
STEEL FITTINGS WITH
STEEL MATING
COMPONENTS;
UN-LUBRICATED
THREADS
2 5/16-24 0.31 7.93 2 3 4 3 4 5
3 3/8-24 0.37 9.52 3 4 5 4 5 7
4 7/16-20 0.44 11.11 7 8 9 9 11 12
5 1/2-20 0.50 12.70 9 10 11 12 14 15
6 9/16-18 0.56 14.28 11 12 13 15 16 18
8 3/4-16 0.75 19.10 28 30 32 38 41 43
10 7/8-14 0.87 22.22 46 48 50 62 65 68
12 1 1/16-12 1.06 27.00 51 54 57 69 73 77
14 1 3/16-12 1.19 30.10
Fitting size greater than -12 not typically specified on
Caterpillar applications.
Consult specific service procedure if
encountered.
16 1 5/16-12 1.31 33.30
20 1 5/8-12 1.63 41.30
24 1 7/8-12 1.87 47.60
32 2 1/2-12 2.50 63.50
Material Dash Size
Thread
Size
ØA*
Torque
[Ft-Lb] [Nm]
(UNF) (in) (mm) Min Nom Max Min Nom Max
ALUMINUM/BRASS
FITTINGS OR
ALUMINUM/BRASS
MATING
COMPONENTS;
UN-LUBRICATED
THREADS
2 5/16-24 0.31 7.93 2 3 4 3 4 5
3 3/8-24 0.37 9.52 3 4 5 4 5 7
4 7/16-20 0.44 11.11 7 8 9 9 11 12
5 1/2-20 0.50 12.70 9 10 11 12 14 15
6 9/16-18 0.56 14.28 11 12 13 15 16 18
8 3/4-16 0.75 19.10 28 30 32 38 41 43
10 7/8-14 0.87 22.22 46 48 50 62 65 68
12 1 1/16-12 1.06 27.00 51 54 57 69 73 77
14 1 3/16-12 1.19 30.10
Fitting size greater than -12 not typically specified on
Caterpillar applications.
Consult specific service procedure if
encountered.
16 1 5/16-12 1.31 33.30
20 1 5/8-12 1.63 41.30
24 1 7/8-12 1.87 47.60
32 2 1/2-12 2.50 63.50
NOTE: 1. * ØA thread OD dimension for reference only.
2. R em oval tor qu e for Zer o Leak G ol d® Ho ll ow He x P lu gs is si gnif ic antl y h ig he r t han i ns ta ll to rque , t ypic al ly 1. 5- 3.5X in st all torque.
MAE9240