WEATHERHEAD Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Size
The WEATHERHEAD Compression Fitting Adapter (MPN 7255X05X02) is a flareless bite-type steel compression fitting from the Ermeto Flareless series, designed for 5/16 in OD tube to 1/8 in pipe size connections with…
SKU 3G-OTH-470203
Need installation or engineering help?
Ask a question
Product Description
The WEATHERHEAD Compression Fitting Adapter (MPN 7255X05X02) is a flareless bite-type steel compression fitting from the Ermeto Flareless series, designed for 5/16 in OD tube to 1/8 in pipe size connections with 1/2-20 x 1/8-27 thread sizes. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments—including pneumatics, hydraulics, and instrumentation—with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like WEATHERHEAD, ensuring the right solution for your application.
Frequently Asked Questions
What is a WEATHERHEAD Ermeto Flareless compression fitting adapter used for?
This WEATHERHEAD compression fitting adapter connects 5/16 in OD tube to 1/8 in pipe size in hydraulic, pneumatic, and instrumentation systems. Its flareless bite-type design creates a leak-tight seal without flaring the tube, making it ideal for high-pressure fluid power applications.
What are the specifications of the WEATHERHEAD 7255X05X02 compression fitting?
The WEATHERHEAD 7255X05X02 is a flareless bite-type steel compression fitting from the Ermeto Flareless series. It has a 1/2-20 x 1/8-27 thread size, connecting 5/16 in OD tube to 1/8 in pipe size. The manufacturer part number is 7255X05X02.
Where to buy WEATHERHEAD compression fittings worldwide?
3G Electric supplies genuine WEATHERHEAD compression fittings like the 7255X05X02 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders, ensuring you receive the correct Ermeto Flareless adapter for your application.
How to install a WEATHERHEAD flareless bite-type compression fitting?
Insert the tube fully into the fitting until it bottoms out, then tighten the nut by hand. Use a wrench to tighten the nut the specified number of turns (typically 1-1/4 turns for steel tube). The bite ring will cut into the tube surface, creating a leak-tight seal without flaring.
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.









