WEATHERHEAD Compression Fitting Union: 1/4 in OD Size
The WEATHERHEAD Compression Fitting Union is a flareless bite-type steel compression fitting from the Ermeto Flareless series, designed for 1/4 in OD tubing with 7/16-20 x 7/16-20 thread size (MPN 7305X04X04). This…
SKU 3G-OTH-469795
Need installation or engineering help?
Ask a question
Product Description
The WEATHERHEAD Compression Fitting Union is a flareless bite-type steel compression fitting from the Ermeto Flareless series, designed for 1/4 in OD tubing with 7/16-20 x 7/16-20 thread size (MPN 7305X04X04). This union provides a reliable, leak-resistant connection in hydraulic and pneumatic systems, backed by WEATHERHEAD's engineering expertise.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a WEATHERHEAD Ermeto Flareless compression fitting union used for?
The WEATHERHEAD Ermeto Flareless compression fitting union (MPN 7305X04X04) connects two 1/4 in OD tubes in hydraulic or pneumatic systems. Its bite-type design creates a leak-resistant seal without flaring, making it suitable for high-pressure fluid power applications where reliable connections are critical.
What are the specifications of the WEATHERHEAD 7305X04X04 compression fitting?
This WEATHERHEAD compression fitting union is from the Ermeto Flareless series, with a 1/4 in OD tube size and 7/16-20 x 7/16-20 thread size. It is a steel flareless bite-type fitting designed for leak-resistant connections in hydraulic and pneumatic systems. The manufacturer part number is 7305X04X04.
Where to buy WEATHERHEAD compression fittings worldwide?
3G Electric supplies WEATHERHEAD compression fittings like the Ermeto Flareless union (7305X04X04) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other industrial fittings across 14 departments.
How to install a WEATHERHEAD flareless bite-type compression fitting?
To install a WEATHERHEAD Ermeto Flareless fitting, cut tubing square, deburr, and insert fully into the fitting. Tighten the nut until the ferrule bites into the tube, then complete the turn per manufacturer torque specs. Avoid over-tightening to prevent tube collapse. Always reference WEATHERHEAD's installation guide for exact procedures.
Used in
Common applications for WEATHERHEADWEATHERHEAD Products
3G Electric supplies WEATHERHEAD 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.









