3/4 NPT Pipe Fittings | McMaster-Carr

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System of Measurement

Fitting Type

Expansion Joint

Reducing Adapter

Material

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Shape

Adjustable-Angle Elbow

Side-Outlet Elbow

Side-Outlet Tee

Fitting Connection

Spec Image

Spec Image

Push to Connect

Spec Image

Quick Disconnect

Socket-Connect Union

Spec Image

Gender

Pipe Material

Stainless Steel

Pipe Schedule

For Use With

Pharmaceuticals

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Flange Material

Stainless Steel

Pressure Class

Connects To

Length

Threading

Threaded on Both Ends

Threaded on One End

Maximum Pressure @ Temperature

110 psi @ -350° F

1,800 psi @ 0° F

2,000 psi @ 50° F

14.5 psi @ 70° F

120 psi @ 70° F

145 psi @ 70° F

150 psi @ 70° F

175 psi @ 70° F

180 psi @ 70° F

200 psi @ 70° F

225 psi @ 70° F

230 psi @ 70° F

235 psi @ 70° F

250 psi @ 70° F

Fitting Material

Stainless Steel

Body Shape

For Flange Class

Tube OD

OD

0.687" to 0.785"

0.933" to 1.083"

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

3,443 Products

Fluid Handling

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Pipe Nipples and Pipe

Pipe Nipples and Pipe

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

Pipe Plugs

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

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Rotary Unions

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Expansion Joints

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Tube Fittings

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

Hose Fittings

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

Hose Nozzle Swivels

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

Manifolds

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

Junction Blocks

Junction Blocks

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

Orifice Valves

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

On-Off Valves

Start and stop flow through a line

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Building and Machinery Hardware

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

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

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