JLG 1850SJ, Service And Maintenance Manual, Page: 277 / 712

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
3121619 5-25
Table 5-16. O-ring Boss (ORB) - Table 5 of 6
TYPE/FITTING IDENTIFICATION HOLLOW HEX PLUGS
MATERIAL Dash Size
Thread Size ØA* Torque
(UNF) (in) (mm) Min Nom Max Min Nom Max
ST
EE
L
FIT
TIN
GS
WIT
H
ST
EE
L M
ATIN
G
CO
M
P
ON
EN
TS
; U
N
-L
UB
RI
CA
TE
D T
H
R
EAD
S
2 5/16-24 0.31 7.93 (30) (32) (33) 3 4 4
3 3/8-24 0.37 9.52 (55) (58) (61) 6 7 7
4 7/16-20 0.44 11.11 10 11 11 14 15 15
5 1/2-20 0.50 12.70 14 15 16 19 20 22
6 9/16-18 0.56 14.28 34 36 38 46 49 52
8 3/4-16 0.75 19.10 60 63 66 80 85 89
10 7/8-14 0.87 22.22 100 105 110 135 142 149
12 1 1/16-12 1.06 27.00 135 142 149 185 193 202
14 1 3/16-12 1.19 30.10 175 184 193 235 249 262
16 1 5/16-12 1.31 33.30 200 210 220 270 285 298
20 1 5/8-12 1.63 41.30 250 263 275 340 357 373
24 1 7/8-12 1.87 47.60 305 321 336 415 435 456
32 2 1/2-12 2.50 63.50 375 394 413 510 534 560
TYPE/FITTING IDENTIFICATION HOLLOW HEX PLUGS
MATERIAL Dash Size
Thread Size ØA* Torque
(UNF) (in) (mm) Min Nom Max Min Nom Max
AL
UMINUM
/B
RASS FIT
TINGS
OR A
LUMINUM/
B
RASS
MA
TING C
O
MPONENTS;
UN-
LU
B
R
IC
AT
ED
TH
RE
ADS
2 5/16-24 0.31 7.93 (20) (21) (21) 2 2 2
3 3/8-24 0.37 9.52 (36) (38) (40) 4 4 5
4 7/16-20 0.44 11.11 6 7 7 8 9 9
5 1/2-20 0.50 12.70 9 10 10 12 14 14
6 9/16-18 0.56 14.28 22 24 25 30 33 34
8 3/4-16 0.75 19.10 39 41 43 53 56 58
10 7/8-14 0.87 22.22 65 69 72 88 94 98
12 1 1/16-12 1.06 27.00 88 93 97 119 126 132
14 1 3/16-12 1.19 30.10 114 120 126 155 163 171
16 1 5/16-12 1.31 33.30 130 137 143 176 186 194
20 1 5/8-12 1.63 41.30 163 171 179 221 232 243
24 1 7/8-12 1.87 47.60 198 208 218 268 282 296
32 2 1/2-12 2.50 63.50 244 256 268 331 347 363
* ØA Thread OD dimension for reference only.
**Removal Torque for Zero Leak Gold® Hollow Hex Plugs is significantly higher than install torque, typically 1.5-3.5X install torque.