3/4"-16 Couplings | McMaster-Carr

Filter by

System of Measurement

Thread Size

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Fitting Type

Reducing Adapter

Shape

Material

Stainless Steel

Dash Size

Gender

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

Pipe Size

Tube OD

Flare Style

Internal Flared

For Use With

Hydraulic Fluid

Connects To

Tube Material

Polyurethane Rubber

Stainless Steel

Length

Maximum Pressure @ Temperature

100 psi @ 72° F

150 psi @ 72° F

250 psi @ 72° F

270 psi @ 72° F

300 psi @ 72° F

550 psi @ 72° F

650 psi @ 72° F

750 psi @ 72° F

1,250 psi @ 72° F

1,600 psi @ 72° F

1,750 psi @ 72° F

2,000 psi @ 72° F

2,200 psi @ 72° F

2,250 psi @ 72° F

2,300 psi @ 72° F

Specifications Met

Nut Type

Externally Threaded

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Hose ID

Maximum Temperature

100° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

Minimum Temperature

-250° F or less

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

How can we improve?

498 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

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 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

Material Handling

Hitch Balls

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

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