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Heyco® NPT Threaded Plugs
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Features |
- Hex shaped head with slot for wrench or screwdriver installation.
- Lower cost option over brass or steel NPT plugs.
- Non-corrosive–resists salt water, weak acids, gasoline, alcohol, oil, grease and common solvents.
- NPT threaded plugs for hydraulic and pneumatic applications.
- Seals threaded openings and protects against contamination and moisture.
- Provides a liquid-tight seal up to 70 psi.
- Resists oil and heat up to 221°F (105°C).
- Electrically nonconductive nylon 6/6.
- IP 68 Rated.
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Heyco® NPT Threaded Plugs
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Specifications |
| PANEL DIMENSIONS |
PART NO. |
DESCRIPTION
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THREAD TYPE/SIZE
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CAD |
A
Wrenching Flats |
B
Overall Height |
Black |
| in. |
mm. |
in. |
mm. |
| .63 |
16,0 |
.66 |
16,8 |
3544B |
TP-NPT 1/4 |
NPT 1/4 |
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| .82 |
20,8 |
.69 |
17,5 |
3545B |
TP-NPT 3/8 |
NPT 3/8 |
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| .97 |
24,7 |
.81 |
20,6 |
3546B |
TP-NPT 1/2 |
NPT 1/2 |
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| 1.29 |
32,8 |
.86 |
21,8 |
3547B |
TP-NPT 3/4 |
NPT 3/4 |
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| 1.73 |
43,9 |
1.05 |
26,7 |
3548B |
TP-NPT 1 |
NPT 1 |
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Links & Downloads

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