SAE J512 Hose Fittings | McMaster-Carr

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490 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Metal Push-On Barbed Hose
Fittings for Air and Water

Fittings are metal for better durability than plastic barbed hose fittings. They have sharper barbs than standard barbed hose fittings to grip push-on hose without the need for clamps or ferrules. The more you pull on the fittings, the tighter the hose will grip.

Brass Compression Tube Fittings for Air and Water

A single sleeve (ferrule) compresses the tubing as you tighten the nut on these fittings, creating a strong seal. They are brass for good corrosion resistance.

Tight-Seal Brass Compression
Tube Fittings for Air and Water

A built-in tube support slips inside the tubing to prevent collapsing and provides a sturdy connection for an extra-tight seal.

45° Flared Fittings for Copper and Brass Tubing

No sleeve is required to assemble these fittings, which makes for a faster, more convenient installation compared to 37° flared fittings. They are also known as refrigeration and SAE fittings.

Supported 45° Flared Fittings
for Copper and Brass Tubing

The flared end of the fitting nests inside the fitting body, providing extra support to the tubing. Fittings are also known as inverted 45° flared fittings.

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How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Metal Push-On Barbed Hose
Fittings for Air and Water

Brass Compression Tube Fittings for Air and Water

Tight-Seal Brass Compression
Tube Fittings for Air and Water

45° Flared Fittings for Copper and Brass Tubing

Supported 45° Flared Fittings
for Copper and Brass Tubing

How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Metal Push-On Barbed HoseFittings for Air and Water

Brass Compression Tube Fittings for Air and Water

Tight-Seal Brass CompressionTube Fittings for Air and Water

45° Flared Fittings for Copper and Brass Tubing

Supported 45° Flared Fittingsfor Copper and Brass Tubing

Metal Push-On Barbed Hose
Fittings for Air and Water

Tight-Seal Brass Compression
Tube Fittings for Air and Water

Supported 45° Flared Fittings
for Copper and Brass Tubing