Description
Product Overview
Foster Manufacturing Company presents a robust 50-piece brass male coupler set designed for industrial and scientific applications. Each coupler features a brass body, steel sleeve, steel valve, and spring coupler, ensuring durability under a 300psi working pressure. The set includes 1/4″ body x 1/4″ NPT fittings, interchanging seamlessly with industrial and MIL Spec standards. Manufactured in the USA, this product weighs 12 pounds and has been available since October 31, 2016, reflecting a commitment to quality and reliability in demanding environments.

Usage
These male couplers are ideal for industrial settings, including manufacturing plants, automotive repair shops, and scientific laboratories where quick-connect-to-barbed fittings are essential. They suit daily use in applications requiring high-pressure air or fluid systems, such as pneumatic tools, hydraulic lines, and irrigation setups. The target audience includes professional technicians, engineers, and maintenance crews who need dependable, heavy-duty components that withstand rigorous conditions without failure.
Why Choose Us
Foster Manufacturing stands out with its USA-based production, ensuring strict quality control and adherence to industrial standards. The combination of brass and steel materials provides superior corrosion resistance and longevity, reducing the need for frequent replacements. This product’s competitive edge lies in its ability to handle tough jobs reliably, backed by a design that prioritizes safety and efficiency, making it a trusted choice for professionals seeking performance and value.
Key Features
- Made in the USA with high-quality brass and steel components for enhanced durability
- Supports 300psi working pressure, suitable for high-demand industrial applications
- Heavy-duty build designed for daily use in the toughest environments
- Interchanges with industrial and MIL Spec fittings for versatile compatibility
- Includes 50 pieces for ample supply in various projects and replacements
FAQ
What is the maximum pressure these couplers can handle?
These couplers are rated for a working pressure of 300psi, making them suitable for most industrial pneumatic and hydraulic systems without risk of failure.
Are these couplers compatible with standard fittings?
Yes, they interchange with industrial and MIL Spec quick-connect-to-barbed fittings, ensuring broad compatibility across different equipment types.
Where are these couplers manufactured?
They are made in the USA by Foster Manufacturing Company, guaranteeing quality craftsmanship and reliable performance.
How many pieces are included in the set?
The set contains 50 pieces, providing sufficient quantity for multiple installations or as backups in maintenance workflows.
What materials are used in the construction?
Each coupler has a brass body, steel sleeve, steel valve, and spring coupler, offering a balance of strength and corrosion resistance.




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