PARKER Compression Fitting Adapter: 1/4 in OD x 3/4 in Pipe Fitting Size
The PARKER Compression Fitting Adapter (MPN 4-12 FBZ-SS) is a single-ferrule stainless steel fitting from the CPI™ series, configured as Compression x MNPT with a fitting size of 1/4 in OD x 3/4 in Pipe. Designed for…
SKU 3G-OTH-474576
Need installation or engineering help?
Ask a question
Product Description
The PARKER Compression Fitting Adapter (MPN 4-12 FBZ-SS) is a single-ferrule stainless steel fitting from the CPI™ series, configured as Compression x MNPT with a fitting size of 1/4 in OD x 3/4 in Pipe. Designed for compatibility with CPI™ fittings, this adapter enables secure tube-to-pipe connections in industrial fluid systems.
Frequently Asked Questions
What is the PARKER 4-12 FBZ-SS compression fitting adapter used for?
The PARKER 4-12 FBZ-SS is a single-ferrule stainless steel adapter from the CPI™ series. It connects 1/4 in OD tubing to a 3/4 in male NPT pipe port, enabling secure, leak-tight transitions in industrial fluid systems such as instrumentation, chemical processing, and hydraulic lines.
What are the specifications of the PARKER 4-12 FBZ-SS?
This PARKER CPI™ adapter has a compression x MNPT configuration, fitting size 1/4 in OD x 3/4 in Pipe, and is made of stainless steel. The manufacturer part number is 4-12 FBZ-SS. It is compatible with CPI™ fittings and designed for reliable tube-to-pipe connections in demanding environments.
Where to buy the PARKER 4-12 FBZ-SS worldwide?
3G Electric supplies the PARKER 4-12 FBZ-SS compression fitting adapter to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for availability and a quote tailored to your project requirements.
How to install a PARKER CPI™ single-ferrule compression fitting?
To install a PARKER CPI™ single-ferrule fitting, cut tubing squarely, deburr, and slide the nut and ferrule onto the tube. Insert the tube fully into the fitting body, hand-tighten the nut, then use a wrench to tighten 1-1/4 turns past finger-tight. Always follow PARKER’s published torque specifications for leak-free performance.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER single-ferrule stainless steel fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









