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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Maximum Steam Pressure Maximum Steam Pressure |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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For Conduit Material For Conduit Material |
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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.
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Steam, Oil, Water, Natural Gas
- Pressure Class: See table
- Specifications Met: ASME B16.14
- Pipe Nipples and Pipe: Use Schedule 40 steel
Pipe Size | |||||||
---|---|---|---|---|---|---|---|
(A) | (B) | Pressure Class | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT Male × NPT Female | |||||||
1/4 | 1/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 00000 |
3/8 | 1/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Steel | 000000000 | 0000 |
3/8 | 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1/2 | 1/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1/2 | 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1/2 | 3/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
3/4 | 1/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
3/4 | 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
3/4 | 3/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
3/4 | 1/2 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1 | 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1 | 3/8 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1 | 1/2 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1 | 3/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Steel | 000000000 | 0000 |
1 1/4 | 3/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
1 1/4 | 1 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
1 1/2 | 3/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
1 1/2 | 1 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
1 1/2 | 1 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
2 | 1 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
2 | 1 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
2 | 1 1/2 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
2 1/2 | 1 1/4 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
2 1/2 | 2 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
3 | 2 | 125 | 150 psi @ 72° F | 125 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
3 | 2 1/2 | 150 | 150 psi @ 72° F | 150 psi @ 350° F | Black-Coated Iron | 000000000 | 00000 |
4 | 3 | 125 | 150 psi @ 72° F | 125 psi @ 350° F | Black-Coated Iron | 000000000 | 000000 |
Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings
The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Steam, Oil, Water, Natural Gas
- Pressure Class: 150
- Specifications Met: ASME B16.14
- Pipe Nipples and Pipe: Use Schedule 40 galvanized steel
- Flanges: Use Class 150 galvanized steel
Pipe Size | ||||||
---|---|---|---|---|---|---|
(A) | (B) | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT Male × NPT Female | ||||||
1/4 | 1/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 00000 |
3/8 | 1/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
3/8 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1/2 | 1/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1/2 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1/2 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
3/4 | 1/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
3/4 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
3/4 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
3/4 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Steel | 00000000 | 0000 |
1 1/4 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 00000000 | 00000 |
1 1/2 | 1 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 00000000 | 00000 |
2 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 00000000 | 00000 |
2 | 1 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 00000000 | 00000 |
2 | 1 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 00000000 | 00000 |
2 1/2 | 2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 00000000 | 00000 |
Low-Pressure Plated Brass Threaded Pipe Fittings
Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.
Chrome-plated brass fittings are shinier and withstand corrosion better than nickel-plated brass fittings.
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Natural Gas, Oil, Steam, Water
- Pressure Class: 125
- Specifications Met: ASME B16.15, ASTM B456
- Pipe Nipples and Pipe: Use Schedule 40 brass
Pipe Size | |||||
---|---|---|---|---|---|
(A) | (B) | Max. Pressure | Max. Steam Pressure | Each | |
NPT Male × NPT Female | |||||
Chrome-Plated Brass | |||||
1/4 | 1/8 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
3/8 | 1/4 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 0000 |
1/2 | 3/8 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 0000 |
3/4 | 3/8 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
3/4 | 1/2 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
Low-Pressure Brass and Bronze Threaded Pipe Fittings
Use these fittings in low-pressure flow applications. They have good corrosion resistance. Fittings rated for use with drinking water meet NSF/ANSI 61 safety standards.
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Drinking Water, Natural Gas, Oil
- Pressure Class : 125
- Specifications Met: ASME B1.20.1, ASME B16.15, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 40 brass
- Flanges: Use Class 150 brass
High-Pressure Brass Threaded Pipe Fittings
These fittings have the strength to handle high-pressure applications. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Bushings for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit

Join two different sizes of threaded conduit. Use with medium-wall (IMC) and thick-wall (rigid) steel conduit.
For technical drawings and 3-D models, click on a part number.
Conduit Connection | |||||||
---|---|---|---|---|---|---|---|
Conduit Trade Size | Pipe Size | Thread Type | Gender | Material | Specifications Met | Each | |
3/4 × 1/2 | 3/4 × 1/2 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 00000 |
1 × 1/2 | 1 × 1/2 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 0000 |
1 × 3/4 | 1 × 3/4 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 0000 |
1 1/4 × 1/2 | 1 1/4 × 1/2 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 0000 |
1 1/4 × 3/4 | 1 1/4 × 3/4 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 0000 |
1 1/4 × 1 | 1 1/4 × 1 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 0000 |
1 1/2 × 1 | 1 1/2 × 1 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 0000 |
2 × 1/2 | 2 × 1/2 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 00000 |
2 × 3/4 | 2 × 3/4 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 00000 |
2 × 1 | 2 × 1 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 00000 |
2 × 1 1/4 | 2 × 1 1/4 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 00000 |
2 × 1 1/2 | 2 × 1 1/2 | NPSM | Male × Female | Zinc-Plated Steel | UL Listed | 0000000 | 00000 |
Hazardous Location Conduit Bushings

Join two different sizes of thick-wall (rigid) metal conduit. These bushings meet Class I and II, Division 1 and 2 standards for flammable gases and combustible dust in hazardous locations.
For technical drawings and 3-D models, click on a part number.
Conduit Connection | ||||||||
---|---|---|---|---|---|---|---|---|
Conduit Trade Size | Pipe Size | Thread Type | Gender | Material | Environmental Rating | Specifications Met | Each | |
3/4 × 1/2 | 3/4 × 1/2 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |
1 × 1/2 | 1 × 1/2 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
1 × 3/4 | 1 × 3/4 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
1 1/4 × 1/2 | 1 1/4 × 1/2 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
1 1/4 × 3/4 | 1 1/4 × 3/4 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
1 1/4 × 1 | 1 1/4 × 1 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
1 1/2 × 1 | 1 1/2 × 1 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |
2 × 1 | 2 × 1 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |
2 × 1 1/2 | 2 × 1 1/2 | NPT | Male × Female | Aluminum | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |
Bushings for Rigid Aluminum Conduit

Join two different sizes of rigid aluminum conduit. Made of nonmagnetic aluminum, these bushings withstand damp and corrosive environments.
For technical drawings and 3-D models, click on a part number.
Conduit Connection | ||||||
---|---|---|---|---|---|---|
Conduit Trade Size | Pipe Size | Thread Type | Gender | Specifications Met | Each | |
3/4 × 1/2 | 3/4 × 1/2 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
1 × 1/2 | 1 × 1/2 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
1 × 3/4 | 1 × 3/4 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
1 1/4 × 1/2 | 1 1/4 × 1/2 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
1 1/4 × 3/4 | 1 1/4 × 3/4 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
1 1/4 × 1 | 1 1/4 × 1 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
1 1/2 × 3/4 | 1 1/2 × 3/4 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
1 1/2 × 1 | 1 1/2 × 1 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
2 × 3/4 | 2 × 3/4 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
2 × 1 | 2 × 1 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
2 × 1 1/4 | 2 × 1 1/4 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
2 × 1 1/2 | 2 × 1 1/2 | NPT | Male × Female | UL Listed | 0000000 | 00000 |