Compression Fittings | McMaster-Carr

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System of Measurement

Tube OD

3/8" to 1 5/16"

Shape

Material

Stainless Steel

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

Pipe Size

Tube Material

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Fitting Type

Reducing Adapter

Gender

Connects To

For Use With

Organic Solvents

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Ammonium Hydroxide

Nut Material

Stainless Steel

Sleeve Material

Stainless Steel

OD

3/8" to 1 5/16"

Maximum Pressure @ Temperature

30 psi @ 70° F

150 psi @ 70° F

500 psi @ 70° F

1,000 psi @ 70° F

1,500 psi @ 70° F

1,900 psi @ 70° F

2,000 psi @ 70° F

2,200 psi @ 70° F

2,300 psi @ 70° F

2,500 psi @ 70° F

3,000 psi @ 70° F

4,000 psi @ 70° F

4,500 psi @ 70° F

5,500 psi @ 70° F

15 psi @ 72° F

30 psi @ 72° F

Thread Size

For Tube Wall Thickness

0.01" to 0.028"

0.028" to 0.035"

0.028" to 0.065"

0.028" to 0.095"

0.035" to 0.065"

0.035" to 0.083"

0.049" to 0.065"

0.049" to 0.109"

Tube Stem OD

Dash Size

Tube Hardness Rating

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

1,000° F or greater

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

7,645 Products

Fluid Handling

Tube Fittings

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

Tube Fitting Sleeves

Tube Fitting Sleeves

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

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

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

Tube Fitting Clamps

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

Tube End Plugs

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

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Hose and Hose Fittings

Hose and Hose Fittings

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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Tube Repair Clamps

Tube Repair Clamps

Mend small holes, cracks, and full-circle breaks in tubing without dismantling your system

On-Off Valves

Start and stop flow through a line

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Flow-Adjustment Valves

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

Tap Valves

Pierce copper tubing for a secondary line to humidifiers and ice makers; also known as saddle valves

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

Diverting Valves

Diverting Valves

Redirect flow between ports

Thermocouple and RTD Fittings

Thermocouple and RTD Fittings

Alter probe immersion depth or adapt unthreaded connections for use with threaded tanks and heads

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Lubricating

Grease Fitting Junction Blocks

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

Grease Fitting Manifolds

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

Coolant Dispenser Hose and Fittings

Coolant Dispenser Hose and Fittings

Snap together and position to deliver coolant, oil, water, or air in any direction

Fastening and Joining

Brazing Rings

Snap into metal pipe and tubing to form leak-resistant joints more quickly than with hand-fed alloys

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