Mosmatic NPT Fitting - 52.254 3/8"NPTF to M21x1.5

The Mosmatic 52.254 is a durable and precision-crafted VER fitting designed to convert 3/8" NPT female threads to M21x1.5 metric threads. Built from solid brass and finished with a nickel-plated coating, this fitting provides exceptional resistance to corrosion, wear, and high-pressure demands.

Rated for up to 4000 PSI, it’s ideal for use in professional pressure washer systems, allowing for secure and leak-free NPT-to-metric integration across hoses, guns, and custom cleaning setups.

General Service Categories

• • • Commercial & Industrial Pressure Washer Systems
    • Hose and Gun Adapter Applications
    • Auto Detailing and Fleet Washing Equipment
    • NPT-to-Metric Thread Conversions
    • Water-Fed Pole and Accessory Integration
    • High-Pressure Maintenance and Retrofit Projects

Key Features

• • • Leak-Proof Design: Precision-machined for tight, secure seals
    • Durable Construction: Ideal for high-pressure, heavy-duty environments
    • Compact Profile: Easily fits into tight or complex system layouts
    • Swiss-Made by Mosmatic: Trusted for performance and engineering precision