PARKER Compression Fitting Adapter: 1/4 in OD x 3/8 in OD Fitting Size
The PARKER Compression Fitting Adapter (MPN 4-6 TRBZ-SS) is a single-ferrule stainless steel fitting with a 1/4 in OD x 3/8 in OD fitting size and a Compression x Compression type. Part of the CPI™ series, it is…
SKU 3G-OTH-474585
Need installation or engineering help?
Ask a question
Product Description
The PARKER Compression Fitting Adapter (MPN 4-6 TRBZ-SS) is a single-ferrule stainless steel fitting with a 1/4 in OD x 3/8 in OD fitting size and a Compression x Compression type. Part of the CPI™ series, it is compatible with CPI™ fitting brands.
Frequently Asked Questions
What is the PARKER 4-6 TRBZ-SS compression fitting adapter used for?
The PARKER 4-6 TRBZ-SS adapter connects 1/4 in OD tubing to 3/8 in OD tubing in instrumentation and process systems. Its single-ferrule stainless steel design provides leak-tight sealing in high-pressure fluid or gas lines across industries like chemical processing and oil and gas.
What are the specifications of the PARKER 4-6 TRBZ-SS?
This PARKER CPI™ series adapter has a 1/4 in OD x 3/8 in OD fitting size with Compression x Compression ends. It is a single-ferrule stainless steel fitting, compatible with CPI™ brand fittings. The manufacturer part number is 4-6 TRBZ-SS.
Where to buy the PARKER 4-6 TRBZ-SS worldwide?
3G Electric supplies the PARKER 4-6 TRBZ-SS compression fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this CPI™ series stainless steel fitting.
How to install a PARKER single-ferrule compression fitting?
Insert the tube fully into the PARKER CPI™ fitting until it bottoms against the ferrule. Tighten the nut finger-tight, then use a wrench to turn the nut 1-1/4 turns past finger-tight for 1/4 in OD tubing. Always follow the manufacturer's torque specifications for leak-free connections.
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.









