3/4 Pipe Size Couplings | McMaster-Carr

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System of Measurement

Fitting Type

Material

Compressed Non-Asbestos Synthetic Fiber

Shape

Adjustable-Angle Elbow

Thread Type

UN/UNF (SAE Straight)

Gender

Fitting Connection

Pipe Schedule

Pipe Material

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Length

Connects To

Pressure Class

Flange Material

Threading

Threaded on Both Ends

Threaded on One End

Unthreaded

Maximum Pressure @ Temperature

Fitting Material

Body Shape

Specifications Met

Federal Specification

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

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Not Compliant

Export Control Classification Number (ECCN)

5,304 Products

Fluid Handling

Pipe and Pipe Fittings

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

3,068 products

Hose Fittings

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

549 products

Hose Fitting Nuts

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

2 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

1 product

Tube Fittings

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

461 products

Tube Fitting Rings

Prevent leaks at tubing connection points

1 product

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

12 products

Orifice Valves

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

26 products

On-Off Valves

Start and stop flow through a line

424 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

19 products

Valve Union Fittings

Mating parts join valves to a line for quick connection and removal

4 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

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

139 products

Metric Circular Receptacles

Install in walls and panels and pair with plugs to make metric connections

1 product

Building and Machinery Hardware

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

76 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

3 products

Brazing Rings

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

1 product

Power Transmission

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

2 products