Air Connections | McMaster-Carr

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System of Measurement

Tube OD

Pipe Size

Material

Stainless Steel

Fitting Connection

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Gender

Fitting Type

Reducing Adapter

For Use With

Pharmaceuticals

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Connects To

Tube Material

Stainless Steel

OD

Hose ID

Thread Size

Maximum Pressure @ Temperature

15 psi @ 72° F

20 psi @ 72° F

25 psi @ 72° F

30 psi @ 72° F

40 psi @ 72° F

45 psi @ 72° F

50 psi @ 72° F

60 psi @ 72° F

75 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

Tube ID

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

RoHS

Compliant with Exemptions

Length

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -50° F

-49° F to -1° F

Greater than 0° F

Maximum Vacuum @ Temperature

15 in. Hg @ 72° F

20 in. Hg @ 72° F

22 in. Hg @ 72° F

24 in. Hg @ 72° F

25 in. Hg @ 72° F

26 in. Hg @ 72° F

27 in. Hg @ 72° F

28 in. Hg @ 72° F

29 in. Hg @ 72° F

1× 10^-13 Torr @ 72° F

1× 10^-8 Torr @ 72° F

1× 10^-7 Torr @ 72° F

1× 10^-6 Torr @ 72° F

How can we improve?

16,907 Products

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Hose End Caps

Cover the ends of hose to keep out dirt and debris

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Hose Ferrules

Crimp on to create a permanent connection between hose and barbed hose fittings

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

11,780 products

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

Tube Fitting Sleeves

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube Fitting Sleeve and Nut Kits

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

On-Off Valves

Start and stop flow through a line

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

Power Transmission

Compressed Air Filter/Regulator/Lubricator Manifolds

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

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