Mosmatic NPT Fitting 52.253 – 3/8 “NPTM to M21x1.5

The Mosmatic 52.253 is a robust and professionally engineered VER fitting that connects 3/8\\” NPT male to M21x1.5 metric threads. Made from solid brass and finished with a corrosion-resistant nickel plating, this adapter offers outstanding performance in high-pressure cleaning environments.

With a working pressure of up to 4000 PSI, this fitting is ideal for technicians and contractors needing a reliable NPT-to-metric solution for pressure washer hoses, guns, wands, and system components. Its compact design ensures a tight, leak-proof connection every time.

General Service Categories

• • • Industrial & Commercial Pressure Washer Systems
    • Auto Detailing and Fleet Cleaning Equipment
    • Spray Gun and Hose Adapter Conversions
    • NPT-to-Metric Thread Integration
    • Water-Fed Pole and Cleaning Accessory Connections
    • High-Pressure System Repairs and Retrofitting

Key Features

• • • Leak-Free Design: Ensures reliable high-pressure performance
    • Durable Construction: Withstands daily professional use
    • Compact Profile: Fits into tight or custom system setups
    • Mosmatic Quality: Swiss-engineered for long-term reliability

Specs

Material Type: brass, nickel plated

Pressure: 4000 psi

Threading In: 3/8\\”NPTM

Threading Out: M21x1.5