3.2mm Tube Adapters | McMaster-Carr

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EAR99

For Tube Hardness

Durometer 90A to Durometer 95A

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Durometer 90A to Durometer 95A

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140 psi @ 72° F

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10 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Moisture-Resistant Push-to-Connect Tube Fittings for Air and Water

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.

Fittings with thread sealant offer extra protection against leaks.

Straight Adapters, Tube × Male Threaded Pipe

For Use With: Air, Lubricated Air, Water
Temperature Range: 32° to 100° F
Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber

					Release Ring
For Tube OD	Pipe Size	Thread Size	Thread Pitch, mm	Gasket Material	Material	Color	Max. Pressure	Features	Choose a Material		Each
Metric Threads
3.2mm	__	M5	0.8	Buna-N Rubber	Plastic	Gray	140 psi @ 72° F	__	Brass, Nickel-Plated Brass	7880T711	00000
BSPT Threads
3.2mm	1/8	__	__	__	Plastic	Gray	140 psi @ 72° F	Acrylic Thread Sealant	Brass	51115K611	0000
3.2mm	1/4	__	__	__	Plastic	Gray	140 psi @ 72° F	Acrylic Thread Sealant	Brass	51115K612	0000

Straight Connectors, Tube

For Use With: Air, Lubricated Air, Water
Temperature Range: 32° to 100° F
Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber

			Release Ring
For Tube OD	Material	Color	Material	Color	Max. Pressure		Each
3.2mm	Polybutylene Plastic	Gray	Plastic	Gray	140 psi @ 72° F	51115K681	00000

Through-Wall Straight Connectors, Tube

For Use With: Air, Lubricated Air, Water
Temperature Range: 32° to 100° F
Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber

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	Material	Color	Max. Pressure	For Hole Dia.	For Max. Wall Thick.	Choose a Material		Each
3.2mm	Plastic	Gray	140 psi @ 72° F	13mm	11mm	Brass, Nickel-Plated Brass	5111K738	00000

Short 90° Elbow Adapters (Intermittent Swivel), Tube × Male Threaded Pipe

For Use With: Air, Lubricated Air, Water
Temperature Range: 32° to 100° F
Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber

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

							Release Ring
For Tube OD	Pipe Size	Thread Size	Thread Pitch, mm	Tube Connection Material	Gasket Material	Color	Material	Color	Max. Pressure	Features	Choose a Pipe Connection Material		Each
Metric Threads
3.2mm	__	M5	0.8	Polybutylene Plastic	Buna-N Rubber	Gray	Plastic	Gray	140 psi @ 72° F	__	Brass, Nickel-Plated Brass	7880T713	00000
BSPT Threads
3.2mm	1/8	__	__	Polybutylene Plastic	__	Gray	Plastic	Gray	140 psi @ 72° F	Acrylic Thread Sealant	Brass, Nickel-Plated Brass	7880T714	0000
3.2mm	1/4	__	__	Polybutylene Plastic	__	Gray	Plastic	Gray	140 psi @ 72° F	Acrylic Thread Sealant	Brass, Nickel-Plated Brass	7880T715	0000

Tee Connectors, Tube

For Use With: Air, Lubricated Air, Water
Temperature Range: 32° to 100° F
Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber

			Release Ring
For Tube OD	Material	Color	Material	Color	Max. Pressure	Mount Type	Mounting Fasteners Included		Each
3.2mm	Polybutylene Plastic	Gray	Plastic	Gray	140 psi @ 72° F	Screw On	No	51115K687	00000

Wye Connectors, Tube

For Use With: Air, Lubricated Air, Water
Temperature Range: 32° to 100° F
Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber

			Release Ring
For Tube OD	Material	Color	Material	Color	Max. Pressure	Mount Type	Mounting Fasteners Included		Each
3.2mm	Polybutylene Plastic	Gray	Plastic	Gray	140 psi @ 72° F	Screw On	No	51115K688	00000