3/4"-16 Couplings | McMaster-Carr

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System of Measurement

Thread Size

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Material

Oil-Embedded Bronze

Stainless Steel

Shape

Fitting Type

Reducing Adapter

Dash Size

Gender

Pipe Size

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

Tube OD

Flare Style

Internal Flared

For Use With

Hydraulic Fluid

Tube Material

Polyurethane Rubber

Stainless Steel

Connects To

Length

Maximum Pressure @ Temperature

150 psi @ 72° F

250 psi @ 72° F

270 psi @ 72° F

300 psi @ 72° F

500 psi @ 72° F

550 psi @ 72° F

650 psi @ 72° F

750 psi @ 72° F

1,200 psi @ 72° F

1,250 psi @ 72° F

1,600 psi @ 72° F

1,750 psi @ 72° F

1,900 psi @ 72° F

2,000 psi @ 72° F

2,200 psi @ 72° F

Specifications Met

DFARS Specialty Metals

ID

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

Nut Type

Externally Threaded

Hose ID

Shank Thread Size

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644 Products

Fluid Handling

Tube Fittings

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

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Tube End Plugs

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

Pipe Fittings

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

Rotary Unions

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

Hose Fittings

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

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Rod Alignment Couplers

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

Hydraulic Cylinder Mounts

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Material Handling

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

Building and Machinery Hardware

Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

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