PARKER Compression Fitting Nut: 1/4 in OD Size, 7/16"-20 Thread Size, Compression
The PARKER Compression Fitting Nut is a flareless bite-type steel compression fitting for 1/4 in OD tubing, part of the Ferulok series. It features a 7/16"-20 thread size and is manufactured under MPN 4 BU-S. 3G…
SKU 3G-OTH-469873
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Product Description
The PARKER Compression Fitting Nut is a flareless bite-type steel compression fitting for 1/4 in OD tubing, part of the Ferulok series. It features a 7/16"-20 thread size and is manufactured under MPN 4 BU-S. 3G Electric interprets demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the PARKER 4 BU-S compression fitting nut used for?
The PARKER 4 BU-S nut is a flareless bite-type steel compression fitting for 1/4 in OD tubing. It creates a leak-tight seal in hydraulic and pneumatic systems, commonly used in industrial machinery, power generation, and process control applications.
What are the specifications of the PARKER Ferulok 4 BU-S nut?
The PARKER Ferulok 4 BU-S nut is a steel compression fitting with a 7/16"-20 thread size, designed for 1/4 in OD tubing. It is part of the Ferulok series, a flareless bite-type design for reliable metal-to-metal sealing in high-pressure systems.
Where to buy PARKER 4 BU-S compression fitting nut worldwide?
3G Electric supplies the genuine PARKER 4 BU-S compression fitting nut worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this component across 14 departments, including specialist expertise in pumps and controls.
How to install a PARKER Ferulok flareless bite-type fitting?
To install a PARKER Ferulok fitting, slide the nut and ferrule onto the tubing, insert the tube into the body until it bottoms, then tighten the nut to the recommended torque. The bite-type ferrule grips the tube without flaring, ensuring a leak-free joint. Always follow manufacturer guidelines for re-tightening.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER flareless bite-type steel compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









