Brass Tube Couplings | McMaster-Carr

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	Pipe Size Pipe Size

	Thread Type Thread Type

	System of Measurement System of Measurement

	For Tube OD For Tube OD

	Shape Shape


Straight	90° Elbow

Tee	70° Elbow

	Connection Style Connection Style

Push to Connect

Quick Disconnect

	Type Type


Adapter	Connector

Reducer	Union

Reducing Adapter	Nut

Flange

	Material Material

	For Use With For Use With

	Gender Gender

	Connection Type Connection Type


Pipe	Tube

Hose

	For Tube Material For Tube Material

Rubber

Stainless Steel

Polybutylene Plastic

	For Hose ID For Hose ID

	Maximum Pressure Maximum Pressure

0.5 psi @ 72° F

30 psi @ 72° F

75 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

160 psi @ 72° F

170 psi @ 72° F

200 psi @ 72° F

220 psi @ 72° F

230 psi @ 72° F

250 psi @ 72° F

290 psi @ 72° F

300 psi @ 72° F

350 psi @ 72° F

400 psi @ 72° F

435 psi @ 72° F

450 psi @ 72° F

500 psi @ 72° F

530 psi @ 72° F

550 psi @ 72° F

580 psi @ 72° F

610 psi @ 72° F

650 psi @ 72° F

700 psi @ 72° F

750 psi @ 72° F

790 psi @ 72° F

800 psi @ 72° F

870 psi @ 72° F

900 psi @ 72° F

1,000 psi @ 72° F

1,080 psi @ 72° F

1,100 psi @ 72° F

1,160 psi @ 72° F

1,200 psi @ 72° F

1,300 psi @ 72° F

1400 psi @ 72° F

1,450 psi @ 72° F

1,500 psi @ 72° F

1,600 psi @ 72° F

1,700 psi @ 72° F

1,800 psi @ 72° F

1900 psi @ 72° F

2,000 psi @ 72° F

2,030 psi @ 72° F

2100 psi @ 72° F

2,200 psi @ 72° F

2,300 psi @ 72° F

2,500 psi @ 72° F

2,600 psi @ 72° F

2,700 psi @ 72° F

2,800 psi @ 72° F

2,900 psi @ 72° F

3,200 psi @ 72° F

3,300 psi @ 72° F

3,800 psi @ 72° F

4,300 psi @ 72° F

5,200 psi @ 72° F

5,400 psi @ 72° F

	Thread Size Thread Size

	Maximum Temperature Maximum Temperature

Less than 200° F

200° to 249° F

250° to 299° F

300° to 399° F

400° F or greater

	Minimum Temperature Minimum Temperature

-50° F or less

10° F or greater

	Length Length

	Maximum Vacuum Maximum Vacuum

24 in. of Hg @ 72° F

25 in. of Hg @ 72° F

26 in. of Hg @ 72° F

27 in. of Hg @ 72° F

28 in. of Hg @ 72° F

29 in. of Hg @ 72° F

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


Standard	Tube Stem

	Barbed Connection Type Barbed Connection Type

	Crimp On
	Clamp On
	Push On
	Screw-On Nut
	Gripping Tabs

	For Tube Hardness Rating For Tube Hardness Rating


Soft	Firm

Hard

	Specifications Met Specifications Met

ANSI/ASME

CSA

DIN

Fed. Spec.

ISO

Mil. Spec.

NSF/ANSI

SAE

UL

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3,931 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.

More

Pipe, Tubing, Hose, and Fittings

Tube Fittings for Plastic and
Rubber Tubing—Air and Water

Tube Fittings for Plastic
Tubing—Drinking Water

Tube Fittings for Plastic and Rubber
Tubing—Food, Beverage, and Dairy

Tube Fittings for Plastic and Rubber Tubing—Food, Beverage, and Dairy

Tube Fittings for Metal Tubing

Fittings are designed for medium- to high-pressure applications. They connect to tubing or pipe.

Hose Fittings

Connect these fittings to lengths of hose. Hose fittings are typically used in high-flow, suction, and hydraulic applications.

Plastic Pipe and Pipe
Fittings for Water

Fittings have a socket-connect end that welds to pipe with cement, or a theaded end that threads onto pipe with a thread sealant. These types of connections are stronger than barbed connections and can handle pressures up to 1,000 psi.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)