Threading Threading |
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![]() | Threaded on Both Ends |
![]() | Fully Threaded |
For Use With For Use With |
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Finish Finish |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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.

- 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 | |
1/2 | 08 | 1 1/8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3/4 | 12 | 1 3/8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
1 | 16 | 1 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
1 1/4 | 20 | 1 5/8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
1 1/2 | 24 | 1 3/4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 | 32 | 2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 1/2 | 40 | 2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3 | 48 | 2 5/8" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
4 | 64 | 2 7/8" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |

- 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 | |
1/2 Pipe Size—08 Dash Size | |||||
---|---|---|---|---|---|
1 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
5" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
6" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
10" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
12" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
18" | NPT | Seamless | Black-Coated Steel | 0000000 | 00000 |
24" | NPT | Seamless | Black-Coated Steel | 0000000 | 00000 |
36" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
3/4 Pipe Size—12 Dash Size | |||||
1 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
5" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
6" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
10" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
12" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
18" | NPT | Seamless | Black-Coated Steel | 0000000 | 00000 |
24" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
36" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
1 Pipe Size—16 Dash Size | |||||
2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
5" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
6" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
10" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
12" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
18" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
24" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
36" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
1 1/4 Pipe Size—20 Dash Size | |||||
2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
5" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
6" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
10" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
12" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
18" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
24" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
36" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
1 1/2 Pipe Size—24 Dash Size | |||||
2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
5" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
6" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
8" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
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 |
36" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
2 Pipe Size—32 Dash Size | |||||
2 1/2" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
5" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
6" | NPT | Seamless | Black-Coated Steel | 00000000 | 00000 |
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 |
36" | NPT | Seamless | Black-Coated Steel | 0000000 | 000000 |
2 1/2 Pipe Size—40 Dash Size | |||||
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
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 |
3 Pipe Size—48 Dash Size | |||||
3" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
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 |
4 Pipe Size—64 Dash Size | |||||
4" | NPT | Seamless | Black-Coated Steel | 00000000 | 000000 |
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 |
Extra-Thick-Wall Galvanized Steel Threaded Pipe Nipples and Pipe
Also known as Schedule 160, this pipe has extra-thick walls for excellent strength. It has a galvanized finish that provides better corrosion resistance than our plain steel pipe. Pipe is seamless, so it has a smooth interior for unrestricted flow.
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.

- 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

- 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
Lg. | Thread Type | Construction | Each | |
1/2 Pipe Size—08 Dash Size | ||||
---|---|---|---|---|
1 1/2" | NPT | Seamless | 00000000 | 000000 |
2" | NPT | Seamless | 00000000 | 00000 |
3" | NPT | Seamless | 00000000 | 00000 |
4" | NPT | Seamless | 00000000 | 00000 |
6" | NPT | Seamless | 00000000 | 00000 |
3/4 Pipe Size—12 Dash Size | ||||
1 1/2" | NPT | Seamless | 00000000 | 00000 |
2" | NPT | Seamless | 00000000 | 00000 |
3" | NPT | Seamless | 00000000 | 00000 |
4" | NPT | Seamless | 00000000 | 00000 |
6" | NPT | Seamless | 00000000 | 00000 |
1 Pipe Size—16 Dash Size | ||||
2" | NPT | Seamless | 00000000 | 00000 |
3" | NPT | Seamless | 00000000 | 00000 |
4" | NPT | Seamless | 00000000 | 00000 |
6" | NPT | Seamless | 00000000 | 00000 |
1 1/4 Pipe Size—20 Dash Size | ||||
2" | NPT | Seamless | 00000000 | 00000 |
3" | NPT | Seamless | 00000000 | 00000 |
4" | NPT | Seamless | 00000000 | 00000 |
6" | NPT | Seamless | 00000000 | 000000 |
1 1/2 Pipe Size—24 Dash Size | ||||
2" | NPT | Seamless | 00000000 | 00000 |
3" | NPT | Seamless | 00000000 | 00000 |
4" | NPT | Seamless | 00000000 | 00000 |
6" | NPT | Seamless | 00000000 | 000000 |
2 Pipe Size—32 Dash Size | ||||
3" | NPT | Seamless | 00000000 | 00000 |
4" | NPT | Seamless | 00000000 | 00000 |
6" | NPT | Seamless | 00000000 | 000000 |