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Finish Finish | Show |
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Finish Finish | Hide |
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Thread Type Thread Type |
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Type Type |
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 | Locknut |
Connection Style Connection Style |
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| Threaded |
For Pipe Schedule For Pipe Schedule |
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 | 40 |
Connection Type Connection Type |
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 | Pipe |
Shape Shape |
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 | Straight |
For Use With For Use With |
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Gender Gender |
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 | Female |
Maximum Pressure Maximum Pressure |
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For Pipe Material For Pipe Material |
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Specifications Met Specifications Met |
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Class Class |
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Maximum Steam Pressure Maximum Steam Pressure |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Low-Pressure Iron and Steel
Threaded Pipe Fittings
Use these fittings for low-pressure applications in noncorrosive environments.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.
NPTF (Dryseal) threads, NPSC (National Pipe Straight Coupling) threads, and NPSL (National Pipe Straight Locknut) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
Locknuts
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Class:
NPSL: 150 - Specifications Met:
NPSL: ANSI/ASME B16.14
BSPP: DIN 431 - Pipe Nipples and Pipe:
NPSL: Use Schedule 40 steel
| Pipe Size | Material | Each | |
NPSL Female | |||
|---|---|---|---|
| 1/8 | Black-Coated Steel | 000000000 | 00000 |
| 1/4 | Black-Coated Steel | 000000000 | 0000 |
| 3/8 | Black-Coated Iron | 000000000 | 0000 |
| 1/2 | Black-Coated Iron | 000000000 | 0000 |
| 3/4 | Black-Coated Iron | 000000000 | 0000 |
| 1 | Black-Coated Iron | 000000000 | 0000 |
| 1 1/4 | Black-Coated Iron | 000000000 | 0000 |
| 1 1/2 | Black-Coated Iron | 000000000 | 0000 |
| 2 | Black-Coated Iron | 000000000 | 00000 |
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)