ANPT Tees | McMaster-Carr

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	Shape Shape

	Tee

	Pipe Size Pipe Size

	Thread Type Thread Type	Show

ANPT

	Thread Type Thread Type	Hide

	System of Measurement System of Measurement

Inch

	Thread Size Thread Size

	For Tube OD For Tube OD

	Connection Style Connection Style

Threaded

Flared

	Material Material

304 Stainless Steel

316 Stainless Steel

	For Use With For Use With

	Type Type

	Adapter

	For Tube Material For Tube Material

304 Stainless Steel

316 Stainless Steel

	Connection Type Connection Type


Pipe	Tube

	Dash Size Dash Size

	Flared Connection Type Flared Connection Type

	Standard

	Tee Style Tee Style

	Inline

	Gender Gender

Male

	Flared Angle Flared Angle

37°

	For Tube Fabrication For Tube Fabrication

Seamless

	Maximum Temperature Maximum Temperature

1,000° F or greater

	Minimum Temperature Minimum Temperature

-250° F or less

	Maximum Pressure Maximum Pressure

3,000 psi @ 72° F

	Specifications Met Specifications Met

ASTM

Mil. Spec.

SAE

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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.

For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
Temperature Range: -320° to 1200° F
Tubing: Use with seamless 304 or 316 stainless steel
Specifications Met: See Table

The threads on the tube end of these fittings are Class 3A or 3B and adhere to tighter tolerances than other 37° flared fittings. They are made to exact AS (formerly AN) specifications and provide a tight metal-to-metal seal on tubing that is flared to 37°. Fittings require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.

304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.

For technical drawings and 3-D models, click on a part number.

Inline Tee Adapters, Tube × Male Threaded Pipe

Inline tees are also known as branch tees.

304 Stainless Steel
For Tube OD	Pipe Size	Max. Pressure	Specifications Met		Each
ANPT Threads
1/8"	1/8	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-2J, SAE AS9100D	00000000	000000
1/4"	1/8	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-4J, SAE AS9100D	00000000	00000
1/4"	1/4	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, SAE AS9100D	00000000	00000
3/8"	1/4	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-6J, SAE AS9100D	00000000	00000
1/2"	3/8	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-8J, SAE AS9100D	00000000	00000
1/2"	1/2	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, SAE AS9100D	00000000	000000
3/4"	3/4	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-12J, SAE AS9100D	00000000	000000
1"	1	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-16J, SAE AS9100D	00000000	000000
316 Stainless Steel
ANPT Threads
1/8"	1/8	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-2K, SAE AS9100D	00000000	000000
1/4"	1/8	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-4K, SAE AS9100D	00000000	00000
1/4"	1/4	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, SAE AS9100D	00000000	00000
3/8"	1/4	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-6K, SAE AS9100D	00000000	00000
1/2"	3/8	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-8K, SAE AS9100D	00000000	00000
1/2"	1/2	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, SAE AS9100D	00000000	000000
3/4"	3/4	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-12K, SAE AS9100D	00000000	000000
1"	1	3,000 psi @ 72° F	ASTM A380, SAE AS4841, SAE AS9104/1, MS20825-16K, SAE AS9100D	00000000	000000

Nuts

304 Stainless Steel
For Tube OD	Max. Pressure	Specifications Met		Each
1/8"	3,000 psi @ 72° F	AN818-2J, ASTM A380, SAE AS4841	0000000	00000
1/4"	3,000 psi @ 72° F	AN818-4J, ASTM A380, SAE AS4841	0000000	0000
3/8"	3,000 psi @ 72° F	AN818-6J, ASTM A380, SAE AS4841	0000000	0000
1/2"	3,000 psi @ 72° F	AN818-8J, ASTM A380, SAE AS4841	0000000	0000
3/4"	3,000 psi @ 72° F	AN818-12J, ASTM A380, SAE AS4841	0000000	00000
1"	3,000 psi @ 72° F	AN818-16J, ASTM A380, SAE AS4841	00000000	00000
316 Stainless Steel
1/8"	3,000 psi @ 72° F	AN818-2K, ASTM A380, SAE AS4841	00000000	0000
1/4"	3,000 psi @ 72° F	AN818-4K, ASTM A380, SAE AS4841	00000000	0000
3/8"	3,000 psi @ 72° F	AN818-6K, ASTM A380, SAE AS4841	00000000	0000
1/2"	3,000 psi @ 72° F	AN818-8K, ASTM A380, SAE AS4841	00000000	0000
3/4"	3,000 psi @ 72° F	AN818-12K, ASTM A380, SAE AS4841	00000000	00000
1"	3,000 psi @ 72° F	AN818-16K, ASTM A380, SAE AS4841	00000000	00000

Sleeves

304 Stainless Steel
For Tube OD	Max. Pressure	Specifications Met		Each
1/8"	3,000 psi @ 72° F	AN818-2J, ASTM A380, MS20819, SAE AS4841	0000000	00000
1/4"	3,000 psi @ 72° F	AN819-4J, ASTM A380, MS20819, SAE AS4841	0000000	0000
3/8"	3,000 psi @ 72° F	AN819-6J, ASTM A380, MS20819, SAE AS4841	0000000	0000
1/2"	3,000 psi @ 72° F	AN819-8J, ASTM A380, MS20819, SAE AS4841	0000000	0000
3/4"	3,000 psi @ 72° F	AN819-12J, ASTM A380, MS20819, SAE AS4841	0000000	0000
1"	3,000 psi @ 72° F	AN819-16J, ASTM A380, MS20819, SAE AS4841	00000000	00000
316 Stainless Steel
1/8"	3,000 psi @ 72° F	AN819-2K, ASTM A380, MS20819, SAE AS4841	00000000	0000
1/4"	3,000 psi @ 72° F	AN819-4K, ASTM A380, MS20819, SAE AS4841	00000000	0000
3/8"	3,000 psi @ 72° F	AN819-6K, ASTM A380, MS20819, SAE AS4841	00000000	0000
1/2"	3,000 psi @ 72° F	AN819-8K, ASTM A380, MS20819, SAE AS4841	00000000	0000
3/4"	3,000 psi @ 72° F	AN819-12K, ASTM A380, MS20819, SAE AS4841	00000000	0000
1"	3,000 psi @ 72° F	AN819-16K, ASTM A380, MS20819, SAE AS4841	00000000	00000

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How to Identify and Measure Fittings

Precision AN 37° Flared Fittings for Stainless Steel Tubing