ASTM B241 Hose Fittings | McMaster-Carr

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14 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.

Easy-Fit Barbed Hose Fittings for Air and Water

Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into rubber hose and secure with a clamp.

Aluminum fittings are lighter in weight than other metal fittings. They have good corrosion resistance. Fittings with a threaded end are also known as hose nipples.

Fittings with a hex body can be tightened with a wrench.

Straight Adapters, Hose × NPT Male Threaded Pipe

Straight Adapter with Hex Body

Straight Adapter with Round Body

Maximum Pressure: See table
Maximum Vacuum: See table
Temperature Range: -20° to 200° F
Attachment Type: Use Worm-Drive Clamps, Bolt Clamps, or Band-and-Buckle Clamps
Specifications Met: See table

Aluminum
For Hose ID	Pipe Size	Body Shape	Max. Pressure	Max. Vacuum	Specifications Met		Each
1/2"	1/2	Round	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K21	000000
3/4"	3/4	Hex	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K22	00000
1"	1	Hex	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K23	00000
1 1/4"	1 1/4	Hex	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K24	00000
1 1/2"	1 1/2	Hex	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K25	00000
2"	2	Round	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K26	00000
2 1/2"	2 1/2	Round	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K27	00000
3"	3	Round	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K28	00000
4"	4	Round	125 psi @ 72° F	26 in. of Hg @ 72° F	ASME B1.20.1, ASTM B241	5363K29	00000
6"	6	Round	100 psi @ 72° F	Not Rated	ASME B1.20.1, ASTM B241	5363K32	000000

Aluminum Quick-Connect Pipe for Compressed Air

For Use With: Air, Coolant, Nitrogen, Oil
Maximum Pressure: 230 psi @ 72° F
Specifications Met: ASTM B241
Fittings: Use Quick-Disconnect Aluminum

Build a compressed air system in half the time it would take to build a copper or steel system. Also known as Unipipe, this pipe is part of a quick-connect system. The compatible fittings connect to this pipe when you finger tighten their collar and then use a wrench for the final quarter turn. A compression ring and O-ring inside the fitting seal it onto this pipe.

Choose blue or gray pipe for easy identification. Blue pipe is often used for compressed air systems. Use a deburring scraper (sold separately) to smooth rough edges left behind after trimming the pipe to size.

Blue Unthreaded

OD	ID	Wall Thick.	Construction	Material		3 ft. Lg.	8 ft. Lg.
3/4" (20 mm)	0.709" (18 mm)	0.039" (1 mm)	Seamless	Powder-Coated 6060 Aluminum	5438N24	000000	000000
1" (25 mm)	0.898" (22.8 mm)	0.043" (1.1 mm)	Seamless	Powder-Coated 6060 Aluminum	5438N25	00000	00000
1 1/2" (40 mm)	1.472" (37.4 mm)	0.051" (1.3 mm)	Seamless	Powder-Coated 6060 Aluminum	5438N26	00000	00000

Deburring Scrapers

Place the tool over the end of your tube and twist to deburr.

For Deburring Outer Tube Edges and Inner Tube Edges
For Tube OD	Blade Material	Overall Lg.	Body Material	For Use On		Each
3/16"-1 1/2"	Steel	2 1/4"	Zinc	Aluminum, Copper, Brass, Plastic	2709A12	000000