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Pipe Size Pipe Size |
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Threading Threading |
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 | Threaded on Both Ends |
 | Fully Threaded |
For Use With For Use With |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe
Extra-thick walls give this pipe excellent strength to handle high-pressure applications. It is also known as Schedule 160. Pipe is seamless, so it has a smooth interior for unrestricted flow. It is for use in noncorrosive environments.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
Fully Threaded
- For Use With: Air, Water, Oil, Natural Gas, Steam, Hydraulic Fluid
- Specifications Met: ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733
- Fittings: Use Class 3000 steel
- Flanges: Use Class 1500 steel
| Pipe Size | Dash Size | Lg. | Thread Type | Construction | Material | Each | |
| 2 1/2 | 40 | 2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
Threaded on Both Ends
- For Use With: Air, Water, Oil, Natural Gas, Steam, Hydraulic Fluid
- Specifications Met: ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733
- Fittings: Use Class 3000 steel
- Flanges: Use Class 1500 steel
| Lg. | Thread Type | Construction | Material | Each | |
2 1/2 Pipe Size—40 Dash Size | |||||
|---|---|---|---|---|---|
| 3" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
| 4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
| 5" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
| 6" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
| 8" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
| 10" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
| 12" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
| 18" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
| 24" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |