Ham-Let 121H, 120 HGN, 121HOB Catalog Page
<![endif]>CONNECTORS
120 HGN
GAUGE ADAPTER BSPP TO NPT
Ordering |
T |
T1 |
|
L |
|
N |
|
D |
W |
|||
Information |
Female BSPP |
Male NPT |
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|
Min. Opening |
Hex. Flat |
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|
ISO 228/1, BS 2779 |
Size |
inch |
|
mm |
inch |
|
mm |
inch |
|
mm |
inch |
|
Size |
|
|
|
|
|||||||
120HGN _ 1/4 |
1/4-19 |
1/4 |
1.19 |
|
30.2 |
0.56 |
|
14.2 |
0.22 |
|
5.6 |
3/4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
120HGN _ 3/8 |
3/8-19 |
3/8 |
1.27 |
|
32.3 |
0.56 |
|
14.2 |
0.26 |
|
6.6 |
15/16 |
120HGN _ 1/2 |
1/2-14 |
1/2 |
1.65 |
|
41.9 |
0.75 |
|
19.0 |
0.28 |
|
7.1 |
1 1/16 |
|
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|
|
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For Parallel Threads Sealing, see page 76
121 H
PIPE PLUG NPT
|
Ordering |
T |
|
L |
W |
|
Information |
Male NPT Size |
|
|
Hex. Flat |
|
|
|
inch |
mm |
inch |
121H |
_ 1/16 |
1/16 |
0.75 |
19.0 |
5/16 |
121H |
_ 1/8 |
1/8 |
0.75 |
19.0 |
7/16 |
121H |
_ 1/4 |
1/4 |
0.96 |
24.4 |
9/16 |
121H |
_ 3/8 |
3/8 |
0.99 |
25.2 |
11/16 |
121H |
_ 1/2 |
1/2 |
1.21 |
30.7 |
7/8 |
121H |
_ 3/4 |
3/4 |
1.21 |
30.7 |
1 1/16 |
121H |
_ 1 |
1 |
1.50 |
38.1 |
1 3/8 |
121HOB
HEX HEAD PLUG SAE/MS STRAIGHT THREAD BOSS*
Ordering |
T |
|
L |
|
F |
W |
O-Ring** |
Information |
Straight Thread UN |
|
|
|
|
Hex. Flat |
|
|
|
inch |
mm |
inch |
mm |
inch |
|
121HOB _ 5/16-24 |
5/16-24 |
0.70 |
17.8 |
0.30 |
7.6 |
7/16 |
-902 |
121HOB _ 7/16-20 |
7/16-20 |
0.76 |
19.3 |
0.36 |
9.1 |
9/16 |
-904 |
121HOB _ 9/16-18 |
9/16-18 |
0.82 |
20.8 |
0.39 |
9.9 |
11/16 |
-906 |
121HOB _ 3/4-16 |
3/4-16 |
0.89 |
22.6 |
0.44 |
11.2 |
7/8 |
-908 |
121HOB _ 1 1/16-12 |
1 1/16-12 |
1.12 |
28.4 |
0.59 |
15.0 |
1 1/4 |
-912 |
121HOB _ 1 5/16-12 |
1 5/16-12 |
1.18 |
30.0 |
0.59 |
15.0 |
1 1/2 |
-916 |
*Per SAE J1926 and MS 16142. See page 80 for mounting dimensions.
**O-rings used are Fluorocarbon FKM 90 Durometer. Other O-ring materials are available on request.
“D” Dimension is minimum opening. Dimensions are for reference only, and are subject to change without notice.
112 
PRECISION INSTRUMENTATION PIPE FITTINGS
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