For Use With For Use With |
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Connection Style Connection Style |
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For Hole Diameter For Hole Diameter |
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For Maximum Wall Thickness For Maximum Wall Thickness |
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Maximum Pressure Maximum Pressure |
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For Tube Material For Tube Material |
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Length Length |
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Nut Material Nut Material |
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Finish Finish |
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Maximum Vacuum Maximum Vacuum |
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Specifications Met Specifications Met |
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For Tube Hardness For Tube Hardness |
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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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High-Pressure Brass Threaded Pipe Fittings
These fittings have the strength to handle high-pressure applications. They are brass for good corrosion resistance.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through a wall, tank, or panel to create an inlet or outlet.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water
Miniature High-Pressure Brass Threaded Pipe Fittings
When space in your pipe line is limited, choose these miniature fittings that are one inch or less in length. They are brass, which has good corrosion resistance.
Nickel-plated brass fittings offer better corrosion resistance than unplated brass.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall, panel, or tank to create an inlet or outlet.
UN/UNF (SAE) threads are also known as O-ring boss threads. Male threads with a gasket protect against leaks.
For technical drawings and 3-D models, click on a part number.
Low-Pressure Brass and Bronze Threaded Pipe Fittings
Use these fittings in low-pressure flow applications. They have good corrosion resistance.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration. Locknuts that meet DIN 431 adhere to international standards for locknut dimensions.
For technical drawings and 3-D models, click on a part number.
- For Use With: See table
- Class: See table
- Specifications Met: See table
- Pipe Nipples and Pipe: See table
- Flanges: See table
For Pipe | For Flange | |||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Pressure | Material | Material | Material | For Use With | Specifications Met | Each | |
BSPP Female | ||||||||
| 1/8 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 00000 |
| 1/4 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 0000 |
| 3/8 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 0000 |
| 1/2 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 0000 |
| 3/4 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 0000 |
| 1 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 00000 |
| 1 1/4 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 00000 |
| 1 1/2 | Not Rated | Brass | Brass | Brass | Air, Natural Gas, Oil | DIN 431 | 0000000 | 00000 |
Moisture-Resistant Push-to-Connect
Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water,
except Manifolds with Swivel: Air, Water - Temperature Range: 32° to 100° F
- Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber
These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting. They have good corrosion resistance.
Nickel-plated brass fittings have better corrosion resistance than unfinished brass fittings.
For technical drawings and 3-D models, click on a part number.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
Release Ring | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Pipe Size | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Choose a Material | Each | |
NPT Threads | |||||||||
| 1/8" | 1/4 | Plastic | Orange | 140 psi @ 72° F | 17/32" | __ | 00000000 | 00000 | |
| 5/32" | 1/4 | Plastic | Orange | 140 psi @ 72° F | 17/32" | __ | 00000000 | 0000 | |
| 3/16" | 1/8 | Plastic | Orange | 140 psi @ 72° F | 19/32" | __ | 00000000 | 0000 | |
| 1/4" | 1/4 | Plastic | Orange | 140 psi @ 72° F | 19/32" | __ | 00000000 | 0000 | |
| 5/16" | 3/8 | Plastic | Orange | 140 psi @ 72° F | 25/32" | __ | 00000000 | 00000 | |
| 3/8" | 3/8 | Plastic | Orange | 140 psi @ 72° F | 29/32" | __ | 00000000 | 00000 | |
| 1/2" | 3/8 | Plastic | Orange | 140 psi @ 72° F | 1 1/32" | __ | 00000000 | 00000 | |
| 1/2" | 1/2 | Plastic | Orange | 140 psi @ 72° F | 1 1/32" | __ | 00000000 | 00000 | |
BSPT Threads | |||||||||
| 4mm | 1/8 | Plastic | Gray | 140 psi @ 72° F | 13mm | 7mm | 00000000 | 0000 | |
| 4mm | 1/4 | Plastic | Gray | 140 psi @ 72° F | 13mm | 7mm | 00000000 | 0000 | |
| 6mm | 1/8 | Plastic | Gray | 140 psi @ 72° F | 15mm | 7mm | 00000000 | 0000 | |
| 6mm | 1/4 | Plastic | Gray | 140 psi @ 72° F | 15mm | 7mm | 00000000 | 0000 | |
| 6mm | 3/8 | Plastic | Gray | 140 psi @ 72° F | 15mm | 7mm | 00000000 | 0000 | |
| 8mm | 1/8 | Plastic | Gray | 140 psi @ 72° F | 17mm | 7mm | 00000000 | 00000 | |
| 8mm | 1/4 | Plastic | Gray | 140 psi @ 72° F | 17mm | 7mm | 00000000 | 00000 | |
| 8mm | 3/8 | Plastic | Gray | 140 psi @ 72° F | 17mm | 7mm | 00000000 | 00000 | |
| 10mm | 1/4 | Plastic | Gray | 140 psi @ 72° F | 21mm | 7mm | 00000000 | 0000 | |
| 10mm | 3/8 | Plastic | Gray | 140 psi @ 72° F | 21mm | 7mm | 00000000 | 00000 | |
| 12mm | 3/8 | Plastic | Gray | 140 psi @ 72° F | 23mm | 7mm | 00000000 | 00000 | |
| 12mm | 1/2 | Plastic | Gray | 140 psi @ 72° F | 23mm | 7mm | 00000000 | 00000 | |
| 16mm | 3/8 | Plastic | Gray | 140 psi @ 72° F | 29mm | 7mm | 00000000 | 00000 | |
| 16mm | 1/2 | Plastic | Gray | 140 psi @ 72° F | 29mm | 7mm | 00000000 | 00000 | |
Push-to-Connect Tube Fittings for Air
- Temperature Range: 0° to 170° F
- Tubing: Use with firm (Durometer 95A-45D) polyethylene plastic or polyurethane rubber
- Specifications Met: ISO 14743
Insert tubing into these fittings and an internal gripping ring and O-ring hold the tubing tight. They are also known as instant fittings. To disconnect, push on the release ring and pull the tubing out of the fitting. Fittings have good corrosion resistance.
Identification rings (sold separately) snap over the release ring so you can color-code your lines.
Clips (sold separately) align and organize your tubing and fittings.
BSPP and UN/UNF (SAE) male threads have a gasket to protect against leaks. UN/UNF (SAE) threads are also known as O-ring boss threads.
For technical drawings and 3-D models, click on a part number.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
Release Ring | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Pipe Size | Material | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
NPT Threads | |||||||||
| 1/8" | 1/8 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 13/32" | 9/32" | 00000000 | 000000 |
| 5/32" | 1/8 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 13/32" | 9/32" | 00000000 | 0000 |
| 5/32" | 1/4 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 13/32" | 5/16" | 00000000 | 00000 |
| 1/4" | 1/8 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 39/64" | 5/16" | 00000000 | 0000 |
| 1/4" | 1/4 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 39/64" | 5/16" | 00000000 | 0000 |
| 3/8" | 1/4 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 47/64" | 21/64" | 00000000 | 00000 |
| 3/8" | 3/8 | Black Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 47/64" | 21/64" | 00000000 | 00000 |
BSPP Threads | |||||||||
| 4mm | 1/8 | Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 10.5mm | 7mm | 00000000 | 00000 |
| 6mm | 1/8 | Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 12.5mm | 8mm | 00000000 | 00000 |
| 6mm | 3/8 | Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 12.5mm | 8mm | 00000000 | 00000 |
| 8mm | 1/4 | Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 15.5mm | 8mm | 00000000 | 00000 |
| 12mm | 3/8 | Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 22.5mm | 8.5mm | 00000000 | 00000 |
| 16mm | 3/8 | Nickel-Plated Brass | Plastic | Black | 290 psi @ 72° F | 27.5mm | 10.5mm | 00000000 | 00000 |
Push-to-Connect Tube Fittings with Shut-Off for Air
- Temperature Range: 32° to 140° F
- Tubing: Fittings with Blue Release Ring: Use with firm or hard (Durometer 95A-95D) nylon plastic or polyurethane rubber
Fittings with Black Release Ring: Use with firm (Durometer 95A-45D) polyurethane rubber - Specifications Met: ISO 14743, except fittings with blue release ring
A built-in shut-off valve stops airflow when the fittings are disconnected from tubing. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting. Fittings have good corrosion resistance.
Identification rings (sold separately) snap over the release ring so you can color-code your lines.
Clips (sold separately) align and organize your tubing and fittings.
For technical drawings and 3-D models, click on a part number.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
Release Ring | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD, mm | Pipe Size | Material | Material | Color | Max. Pressure | For Hole Dia., mm | For Max. Wall Thick., mm | Each | |
BSPT Threads | |||||||||
| 4 | 1/4 | Nickel-Plated Brass | Plastic | Blue | 140 psi @ 72° F | 13 | 11 | 0000000 | 00000 |
| 6 | 1/4 | Nickel-Plated Brass | Plastic | Blue | 140 psi @ 72° F | 15 | 11 | 0000000 | 0000 |
| 8 | 3/8 | Nickel-Plated Brass | Plastic | Blue | 140 psi @ 72° F | 17 | 11 | 0000000 | 0000 |
| 10 | 3/8 | Nickel-Plated Brass | Plastic | Blue | 140 psi @ 72° F | 21 | 11 | 0000000 | 00000 |
Brass Push-to-Connect Tube Fittings for Air
- Temperature Range: 0° to 200° F, except nylon plastic fittings are 0° to 150° F
- Tubing: Use with hard nylon plastic or polyethylene plastic
These fittings offer good protection against corrosive environments. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting.
Fittings with acrylic thread sealant offer extra protection against leaks.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
Release Ring | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Pipe Size | Material | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Features | Each | |
NPTF Threads | ||||||||||
| 5/32" | 1/4 | Nickel-Plated Brass | Plastic | Green | 290 psi @ 72° F | 1/2" | 3/16" | Acrylic Thread Sealant | 000000000 | 000000 |
| 1/4" | 1/4 | Nickel-Plated Brass | Plastic | Green | 290 psi @ 72° F | 9/16" | 15/64" | Acrylic Thread Sealant | 000000000 | 0000 |
| 3/8" | 3/8 | Nickel-Plated Brass | Plastic | Green | 290 psi @ 72° F | 7/8" | 7/32" | Acrylic Thread Sealant | 000000000 | 00000 |
| 1/2" | 3/8 | Nickel-Plated Brass | Plastic | Green | 290 psi @ 72° F | 7/8" | 11/32" | Acrylic Thread Sealant | 000000000 | 00000 |