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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Push-to-Connect Tube Fittings for Air
- Temperature Range: 0° to 170° F, except polybutylene plastic fittings are 32° to 140° F
- Tubing: Use with firm (Durometer 95A-45D) polyethylene plastic or polyurethane rubber
- Specifications Met: ISO 14743, except cartridges and polybutylene plastic fittings
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. Use them in low-pressure applications.
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.
Metric male threads have either a gasket or a thread sealant to protect against leaks.
For technical drawings and 3-D models, click on a part number.
Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.
| Thread Size  | Thread Pitch, mm | For Tube OD | Pipe Connection Material | Tube Connection Material | Gasket Material | Color | Release Ring Color | Max. Pressure | Each | |
Metric Threads | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M5 | 0.8 | 4mm | Nickel-Plated Brass | Nylon Plastic | Buna-N Rubber | Black | Black | 290 psi @ 72° F | 00000000 | 000000 |
| M5 | 0.8 | 6mm | Nickel-Plated Brass | Nylon Plastic | Buna-N Rubber | Black | Black | 290 psi @ 72° F | 00000000 | 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.
Metric male threads have a gasket to protect against leaks.
For technical drawings and 3-D models, click on a part number.
Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.
| Thread Size | Thread Pitch, mm | For Tube OD | Tube Connection Material | Gasket Material | Color | Release Ring Color | Max. Pressure | Mount Type | Mounting Fasteners Included | Choose a Pipe Connection Material | Each | |
Metric Threads | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M5 | 0.8 | 4mm | Polybutylene Plastic | Buna-N Rubber | Gray | Gray | 140 psi @ 72° F | Screw On | No | 00000000 | 00000 | |
| M5 | 0.8 | 6mm | Polybutylene Plastic | Buna-N Rubber | Gray | Gray | 140 psi @ 72° F | Screw On | No | 00000000 | 0000 | |
| M6 | 1 | 4mm | Polybutylene Plastic | Buna-N Rubber | Gray | Gray | 140 psi @ 72° F | Screw On | No | 00000000 | 0000 | |
| M6 | 1 | 6mm | Polybutylene Plastic | Buna-N Rubber | Gray | Gray | 140 psi @ 72° F | Screw On | No | 00000000 | 0000 | |