9/16"-18 Couplings | McMaster-Carr

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System of Measurement

Thread Size

Thread Type

UN/UNF (SAE Straight)

Fitting Type

Reducing Adapter

Shape

Gender

Material

Stainless Steel

Dash Size

For Use With

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

Pipe Size

Connects To

Tube OD

Flare Style

Internal Flared

Tube Material

Stainless Steel

Maximum Pressure @ Temperature

150 psi @ 72° F

200 psi @ 72° F

230 psi @ 72° F

250 psi @ 72° F

300 psi @ 72° F

350 psi @ 72° F

500 psi @ 72° F

1,250 psi @ 72° F

2,250 psi @ 72° F

2,300 psi @ 72° F

2,400 psi @ 72° F

2,500 psi @ 72° F

2,600 psi @ 72° F

2,700 psi @ 72° F

3,000 psi @ 72° F

Length

Specifications Met

Thread Direction

CGA Number

Hose ID

Quick-Disconnect Component

Plug and Socket Set

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

How can we improve?

452 Products

Fluid Handling

Hose Fittings

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

Hose Fitting Nuts

Hose Fitting Nuts

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

Hose End Caps

Cover the ends of hose to keep out dirt and debris

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

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

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