PARKER Compression Fitting Union: 1/4 in OD x 1/4 in OD Size, 7/16-20 x 7/16-20 Thread Size
The PARKER Compression Fitting Union (MPN 4 HBU-S) is a 1/4 in OD x 1/4 in OD flareless bite-type steel compression fitting from the Ferulok series, with 7/16-20 x 7/16-20 thread size. 3G Electric interprets this…
SKU 3G-OTH-469786
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Product Description
The PARKER Compression Fitting Union (MPN 4 HBU-S) is a 1/4 in OD x 1/4 in OD flareless bite-type steel compression fitting from the Ferulok series, with 7/16-20 x 7/16-20 thread size. 3G Electric interprets this demand and delivers genuine PARKER fittings across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is a PARKER 4 HBU-S compression fitting union used for?
The PARKER 4 HBU-S is a flareless bite-type steel compression fitting union used to connect two 1/4 in OD tubes in hydraulic and pneumatic systems. It is ideal for high-pressure fluid power applications in industrial machinery, mobile equipment, and process plants where leak-free connections are critical.
What are the specifications of the PARKER Ferulok 4 HBU-S?
The PARKER Ferulok 4 HBU-S is a steel compression fitting union with 1/4 in OD x 1/4 in OD tube size and 7/16-20 x 7/16-20 thread size. It is a flareless bite-type fitting from the Ferulok series, designed for reliable metal-to-metal sealing in demanding environments.
Where to buy PARKER 4 HBU-S compression fittings worldwide?
3G Electric supplies genuine PARKER 4 HBU-S compression fittings worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this Ferulok series union across 14 industrial departments, including specialist expertise in combustion, pumps, and controls.
How to install a PARKER Ferulok flareless compression fitting?
To install a PARKER Ferulok fitting, cut the tube square, deburr, and slide the nut and ferrule onto the tube. Insert the tube into the fitting body until it bottoms, then tighten the nut by hand. Use a wrench to tighten to the manufacturer's recommended torque for a leak-free bite-type seal. Always follow Parker's installation guidelines.
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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.









