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WEATHERHEAD Standard Brass Inverted Flare Tube Fitting - Standard Brass Inverted Flare Tube Fittings
WEATHERHEADStandard Brass Inverted Flare Tube Fittings

WEATHERHEAD Standard Brass Inverted Flare Tube Fitting

The WEATHERHEAD 402X5X4 is a standard brass inverted flare tube fitting, specifically a flared fitting elbow with a 5/16 in OD x 1/4 in pipe fitting size. It features a threaded design with a 1/2"-20 thread size A…

SKU 3G-OTH-655611

Brand
WEATHERHEAD
Item
Standard Brass Inverted Flare Tube Fitting
Part Number
402X5X4
Category
Standard Brass Inverted Flare Tube Fittings
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Local office
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Phone
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Technical Specifications

WEATHERHEAD
Manufacturer Part Number
402X5X4
Type
Threaded, 1/2"-20 Thread Size A, Brass
Standards
ASA
Thread Size A
1/2"-20

Technical Documents

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WEATHERHEAD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WEATHERHEAD 402X5X4 is a standard brass inverted flare tube fitting, specifically a flared fitting elbow with a 5/16 in OD x 1/4 in pipe fitting size. It features a threaded design with a 1/2"-20 thread size A, is made of brass, and meets ASA standards.

Frequently Asked Questions

What is the WEATHERHEAD 402X5X4 flared fitting elbow used for?

The WEATHERHEAD 402X5X4 is a standard brass inverted flare tube fitting used to connect tubing to threaded ports in hydraulic, pneumatic, and fluid transfer systems. Its 90-degree elbow design saves space in tight installations, common in industrial machinery, automotive, and refrigeration applications.

What are the specifications of the WEATHERHEAD 402X5X4?

The WEATHERHEAD 402X5X4 is a brass flared fitting elbow with a 5/16 in OD tube size and 1/4 in pipe fitting size. It has a threaded design with a 1/2"-20 thread size A and meets ASA standards. The manufacturer part number is 402X5X4.

Where to buy the WEATHERHEAD 402X5X4 worldwide?

3G Electric supplies the WEATHERHEAD 402X5X4 brass flared fitting elbow to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine WEATHERHEAD part.

How to install a WEATHERHEAD inverted flare fitting?

To install a WEATHERHEAD inverted flare fitting like the 402X5X4, first cut the tubing square and deburr the end. Use a flaring tool to create a 45-degree flare on the tube. Apply thread sealant to the pipe threads, then tighten the nut against the fitting body. Avoid over-torquing to prevent brass damage.

Used in

Common applications for WEATHERHEAD
Hydraulic power units — Weatherhead 7000 Series Ermeto compression nuts and Ermeto Flareless adapters for leak-tight tube connections on 1/8 in to 7/8 in OD steel tubing.
Pneumatic control panels — Weatherhead flareless bite-type compression elbows and tees for routing air lines without flaring, with thread sizes such as 1/2-20 and 9/16-18.
Lubrication systems — Weatherhead compression fitting plugs (e.g., MPN 7229X05) to seal tube ends or ports in centralized lubrication circuits.
Industrial fluid transfer — Weatherhead quick-connect couplings for temporary or frequent connection of hydraulic hoses and tubing in maintenance operations.
High-pressure hydraulic circuits — Weatherhead hydraulic flange fittings for secure connections on large-diameter tubing and hose assemblies.
Flow control in test stands — Weatherhead needle valves for precise adjustment of fluid flow in hydraulic and pneumatic test rigs.
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WEATHERHEAD Products

3G Electric supplies WEATHERHEAD standard brass inverted flare tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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