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3G Electric
WEATHERHEAD 402X8 DOT Brass Inverted Flare Tube Fitting, 3/4"-18 Thread, SAE - DOT Brass Inverted Flare Tube Fittings
WEATHERHEADDOT Brass Inverted Flare Tube Fittings

WEATHERHEAD 402X8 DOT Brass Inverted Flare Tube Fitting, 3/4"-18 Thread, SAE

The WEATHERHEAD 402X8 is a DOT Brass Inverted Flare Tube Fitting, a flared fitting elbow with a 1/2 in OD x 3/8 in Pipe Fitting Size. It features a threaded design with a 3/4"-18 Thread Size A, is made of brass, and…

SKU 3G-OTH-661390

Brand
WEATHERHEAD
Item
402X8 DOT Brass Inverted Flare Tube Fitting, 3/4"-18 Thread, SAE
Part Number
402X8
Category
DOT Brass Inverted Flare Tube Fittings
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

WEATHERHEAD
Manufacturer Part Number
402X8
Type
Threaded, 3/4"-18 Thread Size A, Brass
Standards
SAE
Thread Size A
3/4"-18

Technical Documents

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

Product Description

The WEATHERHEAD 402X8 is a DOT Brass Inverted Flare Tube Fitting, a flared fitting elbow with a 1/2 in OD x 3/8 in Pipe Fitting Size. It features a threaded design with a 3/4"-18 Thread Size A, is made of brass, and meets SAE standards.

Frequently Asked Questions

What is the WEATHERHEAD 402X8 flared fitting elbow used for?

The WEATHERHEAD 402X8 is a DOT brass inverted flare tube fitting used in hydraulic and pneumatic systems to connect tubing to threaded ports. It is common in automotive, industrial, and fluid power applications requiring a leak-resistant seal under pressure.

What are the specifications of the WEATHERHEAD 402X8?

The WEATHERHEAD 402X8 is a flared fitting elbow with a 1/2 in OD tube size and 3/8 in pipe fitting size. It has a threaded design with 3/4"-18 Thread Size A, is made of brass, and meets SAE standards. The manufacturer part number is 402X8.

Where to buy the WEATHERHEAD 402X8 worldwide?

3G Electric supplies the WEATHERHEAD 402X8 DOT brass inverted flare tube fitting to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this SAE-standard brass fitting.

How to install a WEATHERHEAD 402X8 inverted flare fitting?

To install the WEATHERHEAD 402X8, ensure the tube end is clean and properly flared to SAE specifications. Apply thread sealant to the male threads (3/4"-18) and tighten the nut against the flare. Avoid over-torquing to prevent brass deformation. Always test for leaks after installation.

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 dot 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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