PARKER Compression Fitting Nut: 3/8 in OD Size, 9/16"-18 Thread Size, Compression
The PARKER Compression Fitting Nut (MPN 6 BU-S) is a flareless bite-type steel compression fitting from the Ferulok series, designed for 3/8 in OD tubing with a 9/16"-18 thread size. As a steel compression nut, it…
SKU 3G-OTH-469829
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Product Description
The PARKER Compression Fitting Nut (MPN 6 BU-S) is a flareless bite-type steel compression fitting from the Ferulok series, designed for 3/8 in OD tubing with a 9/16"-18 thread size. As a steel compression nut, it provides a reliable connection in industrial fluid systems, backed by PARKER's engineering standards.
Frequently Asked Questions
What is the PARKER 6 BU-S compression fitting nut used for?
The PARKER 6 BU-S is a flareless bite-type steel compression nut from the Ferulok series. It is used to create a reliable, leak-tight connection on 3/8 in OD tubing in industrial fluid systems, such as hydraulic and pneumatic lines, where vibration resistance is critical.
What are the specifications of the PARKER 6 BU-S compression nut?
The PARKER 6 BU-S is a steel compression nut with a 9/16"-18 thread size, designed for 3/8 in OD tubing. It is part of the Ferulok series, a flareless bite-type fitting that provides a strong mechanical grip without flaring the tube end.
Where to buy PARKER 6 BU-S compression fitting nuts worldwide?
3G Electric supplies the PARKER 6 BU-S compression nut worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Ferulok series component.
How to install a PARKER Ferulok compression nut on steel tubing?
To install the PARKER 6 BU-S Ferulok nut, slide the nut and ferrule onto the tube, then insert the tube into the fitting body. Tighten the nut until the ferrule bites into the tube surface. Follow PARKER's torque specifications for the 9/16"-18 thread to ensure a leak-free seal.
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.









