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WEATHERHEAD Universal Interchange Steel Quick-Connect Air Coupling Plug - Universal Interchange Steel Quick-Connect Air Coupling Plugs
WEATHERHEADUniversal Interchange Steel Quick-Connect Air Coupling Plugs

WEATHERHEAD Universal Interchange Steel Quick-Connect Air Coupling Plug

The WEATHERHEAD Quick Connect Hose Coupling is a universal interchange steel air coupling plug with a 3/8 in body size. It features a sleeve locking type and a 3/8"-18 thread size, with FNPT connection. This product…

SKU 3G-OTH-451960

Brand
WEATHERHEAD
Item
Universal Interchange Steel Quick-Connect Air Coupling Plug
Part Number
43
Category
Universal Interchange Steel Quick-Connect Air Coupling Plugs
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Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

WEATHERHEAD
Manufacturer Part Number
43
Type
Sleeve, FNPT
Thread Size
3/8"-18
Hose Fitting Size
3/8 in
Coupling Locking Type
Sleeve

Technical Documents

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

Product Description

The WEATHERHEAD Quick Connect Hose Coupling is a universal interchange steel air coupling plug with a 3/8 in body size. It features a sleeve locking type and a 3/8"-18 thread size, with FNPT connection. This product is identified by manufacturer part number 43.

Frequently Asked Questions

What is the WEATHERHEAD Quick Connect Hose Coupling used for?

The WEATHERHEAD Quick Connect Hose Coupling is used for connecting air tools and pneumatic equipment to compressed air lines. Its universal interchange steel design suits industrial and automotive applications requiring quick, secure connections. The sleeve locking type allows one-handed operation for frequent coupling changes.

What are the specifications of the WEATHERHEAD Quick Connect Hose Coupling?

This coupling has a 3/8 in body size and 3/8 in hose fitting size with a 3/8"-18 thread size and FNPT connection. It uses a sleeve locking type and is made of steel for durability. The manufacturer part number is 43, and it is a universal interchange air coupling plug from WEATHERHEAD.

Where to buy the WEATHERHEAD Quick Connect Hose Coupling worldwide?

3G Electric supplies the WEATHERHEAD Quick Connect Hose Coupling worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this coupling for your pneumatic systems.

How to install the WEATHERHEAD Quick Connect Hose Coupling?

To install, apply thread sealant to the 3/8"-18 FNPT threads and hand-tighten the coupling onto the hose fitting. Use a wrench for a secure fit without overtightening. Ensure the sleeve locking mechanism engages fully before pressurizing the air line. Always follow manufacturer guidelines for safe operation.

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 universal interchange steel quick-connect air coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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