Push to Connect Plugs | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Tube Stem OD Tube Stem OD

	Type Type


Adapter	Cap

Plug

	Shape Shape

	Color Color

	Black		Blue
	Gray		Green
	Orange		Red
	White

	Material Material

Brass

Plastic

Stainless Steel

	For Use With For Use With

	Connection Style Connection Style	Show

	Push to Connect

	Connection Style Connection Style	Hide

	Connection Type Connection Type


Pipe	Tube

	Push-to-Connect Type Push-to-Connect Type


Tube Stem	Standard

Grip Ring

	Gender Gender

Male

Female

	Length Length

	For Tube OD For Tube OD

	Maximum Vacuum Maximum Vacuum

	Maximum Pressure Maximum Pressure

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Minimum Temperature Minimum Temperature

	Maximum Temperature Maximum Temperature

100° to 249° F

250° to 499° F

	Clarity Clarity

Semi-Clear

Opaque

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Vacuum Rating Vacuum Rating

Standard

	Specifications Met Specifications Met

	For Tube Material For Tube Material

Plastic

Rubber

Copper

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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179 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.

Standard-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 40 plastic pipe—they are the industry standard for residential and commercial low-pressure plumbing and water supply applications. They are plastic for good corrosion resistance.

Tubing and Tube Fittings

Push-to-Connect Tube Fittings for Air

Brass Push-to-Connect Tube Fittings for Air

Made of brass, these fittings have good corrosion resistance.

Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air

Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings.

Stainless Steel Push-to-Connect
Tube Fittings for Air and Water

A 316 stainless steel body gives these fittings the best corrosion resistance of all our metal push-to-connect tube fittings.

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.

Low-Temperature D.O.T.
Push-to-Connect Tube Fittings for Air

Use at pressures up to 150 psi.

Weld-Spatter-Resistant Push-to-Connect
Tube Fittings for Air and Water

Designed for use in welding applications, these fittings are flame retardant.

Plastic Quick-Disconnect Tube
Couplings for Air and Water

Lighter in weight than metal quick-disconnect couplings, these couplings are plastic.

Push-to-Connect Tube Fittings for Drinking Water

These fittings keep their strength in moist environments and meet NSF/ANSI 61 for drinking water. Also known as instant fittings.

Push-to-Connect Tube Fittings for Hot Drinking Water

Fittings can withstand temperatures up to 200° F.

Push-to-Connect Fittings for Plastic
Tubing—Food and Beverage

Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Use in applications up to 150 psi.

Plastic Push-to-Connect Tube Fittings for Chemicals

Also known as instant fittings, these chemical-resistant plastic fittings connect to tubing with a push, and an internal gripping ring and fluoroelastomer O-ring hold the tubing tight.

Push-to-Connect Fittings for Plastic Tubing—High-Purity

Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Use in applications up to 140 psi.

Brass Push-to-Connect Fittings for Copper Tubing

Choose these metal fittings when you need better durability than our plastic push-to-connect fittings.

Build-Your-Own Air Hose System

With an easy-to-cut hose and push-to-connect fittings, you can install a compressed air line system in just a few hours.

How to Identify and Measure Fittings

Standard-Wall Plastic Pipe Fittings for Water

Standard-Wall Plastic Pipe Fittings for Water

Tubing and Tube Fittings

Push-to-Connect Tube Fittings for Air

Brass Push-to-Connect Tube Fittings for Air

Nickel-Plated Brass Push-to-ConnectTube Fittings for Air

Stainless Steel Push-to-ConnectTube Fittings for Air and Water

Moisture-Resistant Push-to-ConnectTube Fittings for Air and Water

Low-Temperature D.O.T.Push-to-Connect Tube Fittings for Air

Weld-Spatter-Resistant Push-to-ConnectTube Fittings for Air and Water

Plastic Quick-Disconnect TubeCouplings for Air and Water

Push-to-Connect Tube Fittings for Drinking Water

Push-to-Connect Tube Fittings for Hot Drinking Water

Push-to-Connect Fittings for PlasticTubing—Food and Beverage

Plastic Push-to-Connect Tube Fittings for Chemicals

Push-to-Connect Fittings for Plastic Tubing—High-Purity

Brass Push-to-Connect Fittings for Copper Tubing

Build-Your-Own Air Hose System

Build-Your-Own Air Hose System

Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air

Stainless Steel Push-to-Connect
Tube Fittings for Air and Water

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

Low-Temperature D.O.T.
Push-to-Connect Tube Fittings for Air

Weld-Spatter-Resistant Push-to-Connect
Tube Fittings for Air and Water

Plastic Quick-Disconnect Tube
Couplings for Air and Water

Push-to-Connect Fittings for Plastic
Tubing—Food and Beverage