PARKER Compression Fitting Adapter: 5/16 in OD x 1/4 in Pipe Fitting Size
The PARKER Compression Fitting Adapter (MPN 5-4 FBZ-SS) is a single-ferrule stainless steel fitting with a 5/16 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT configuration. Part of the CPI™ series, it is…
SKU 3G-OTH-474583
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Product Description
The PARKER Compression Fitting Adapter (MPN 5-4 FBZ-SS) is a single-ferrule stainless steel fitting with a 5/16 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT configuration. Part of the CPI™ series, it is compatible with CPI™ fitting brands.
Frequently Asked Questions
What is the PARKER 5-4 FBZ-SS compression fitting adapter used for?
The PARKER 5-4 FBZ-SS adapter connects 5/16 in OD tubing to a 1/4 in male NPT threaded port. It is used in instrumentation, hydraulic, and pneumatic systems where a leak-tight, vibration-resistant seal is required. This single-ferrule stainless steel fitting is part of the CPI™ series.
What are the specifications of the PARKER 5-4 FBZ-SS?
The PARKER 5-4 FBZ-SS is a single-ferrule stainless steel compression fitting adapter. It has a 5/16 in OD tube size x 1/4 in pipe fitting size, with a Compression x MNPT connection type. It is part of the CPI™ series and is compatible with CPI™ fitting brands.
Where to buy the PARKER 5-4 FBZ-SS worldwide?
3G Electric supplies the PARKER 5-4 FBZ-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 single-ferrule stainless steel fitting.
How to install a PARKER single-ferrule compression fitting?
To install a PARKER CPI™ single-ferrule fitting, insert the tube fully into the fitting until it bottoms on the shoulder. Tighten the nut finger-tight, then use a wrench to tighten 1-1/4 turns past finger-tight for stainless steel tubing. Always follow Parker’s published torque specifications for leak-free performance.
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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.









