Description
Product Overview
This FireHoseDirect 1-inch NPT aluminum adapter is engineered for secure and reliable connections in fire hose systems. Constructed from high-grade 6061-T6 aluminum, it features a hard coat anodized exterior finish that enhances durability and corrosion resistance. The adapter includes female 1-inch NH/NST and male 1 1/2-inch NH/NST threads, ensuring compatibility with standard fire hose fittings. Weighing just 4.8 ounces and measuring 6 x 3.7 x 1.2 inches, it is lightweight yet robust, designed to meet the demands of industrial and emergency applications. Manufactured in the USA with part number 37R115, this adapter delivers precision threading and long-lasting performance.

Usage
This adapter is ideal for connecting fire hoses to various equipment in industrial, commercial, and emergency settings. It is commonly used in firefighting operations, industrial safety systems, and plumbing installations where secure, leak-proof connections are critical. The product suits professionals such as firefighters, industrial maintenance crews, and plumbing technicians who require dependable fittings for high-pressure water delivery. Its design ensures easy installation and removal, making it a practical choice for routine maintenance and emergency preparedness.
Why Choose Us
FireHoseDirect adapters stand out due to their USA manufacturing, which guarantees strict quality control and compliance with industry standards. The use of 6061-T6 aluminum provides superior strength and lightweight properties, reducing overall system weight without compromising integrity. The hard coat anodized finish offers exceptional resistance to wear, corrosion, and environmental factors, ensuring longevity even in harsh conditions. With a 5.0-star rating from customers, this product is trusted for its reliability and performance, backed by FireHoseDirect’s expertise in fire hose fittings.
Key Features
- Constructed from 6061-T6 aluminum for high strength and durability
- Hard coat anodized finish resists corrosion and extends product life
- Precision 1-inch NPT threads ensure secure, leak-proof connections
- Lightweight design at 4.8 ounces for easy handling and installation
- Made in the USA with rigorous quality assurance and standards compliance
FAQ
What is the thread type on this adapter?
The adapter features 1-inch NPT threads on the female side and 1 1/2-inch NH/NST threads on the male side, designed for standard fire hose connections.
Is this adapter suitable for high-pressure applications?
Yes, it is built from 6061-T6 aluminum and hard coat anodized, making it capable of withstanding high-pressure environments common in firefighting and industrial use.
Where is this product manufactured?
This adapter is made in the USA, ensuring high-quality materials and craftsmanship.
Does it come with any warranty or support?
FireHoseDirect provides reliable customer support and stands behind the product’s quality, though specific warranty details should be checked at purchase.
Can it be used with other types of hoses?
While designed for fire hoses, it may be compatible with other industrial hoses that match the thread specifications, but always verify compatibility for safety.




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