Metric Wyes | McMaster-Carr

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6 Products

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.

Temperature Range: 0° to 170° F
Tubing: Use with firm (Durometer 95A-45D) polyethylene plastic or polyurethane rubber
Specifications Met: ISO 14743, except 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.

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.

Wye Adapters (Intermittent Swivel), Male Threaded Pipe × Tube

Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.

Metric Threads
Thread Size	Thread Pitch, mm	For Tube OD	Pipe Connection Material	Tube Connection Material	Gasket Material	Color	Release Ring Color	Max. Pressure		Each
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.

Wye Adapters (Intermittent Swivel), Male Threaded Pipe × Tube

Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.

Metric Threads
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
M5	0.8	4mm	Polybutylene Plastic	Buna-N Rubber	Gray	Gray	140 psi @ 72° F	Screw On	No	Brass, Nickel-Plated Brass	00000000	00000
M5	0.8	6mm	Polybutylene Plastic	Buna-N Rubber	Gray	Gray	140 psi @ 72° F	Screw On	No	Brass, Nickel-Plated Brass	00000000	0000
M6	1	4mm	Polybutylene Plastic	Buna-N Rubber	Gray	Gray	140 psi @ 72° F	Screw On	No	Brass, Nickel-Plated Brass	00000000	0000
M6	1	6mm	Polybutylene Plastic	Buna-N Rubber	Gray	Gray	140 psi @ 72° F	Screw On	No	Brass, Nickel-Plated Brass	00000000	0000