Mosmatic Fitting 52.121 - 3/8"NPTM to 3/8"NPTM

The Mosmatic 52.121 is a rugged, high-performance VER fitting designed to connect two 3/8" NPT male threaded components in high-pressure cleaning systems. Manufactured from solid brass and finished with a nickel-plated coating, this adapter offers superior corrosion resistance, strength, and long-term reliability.

With a working pressure of up to 4000 PSI, this fitting is ideal for commercial and industrial pressure washer setups, ensuring secure, leak-free connections for hoses, spray guns, wands, and other accessories.

General Service Categories

• • • Industrial & Commercial Pressure Washing Systems
    • Hose and Spray Gun Connection Extensions
    • Auto Detailing and Fleet Cleaning Equipment
    • High-Pressure Equipment Maintenance and Repair
    • Custom Cleaning System Builds
    • NPT-NPT Thread Integration Projects

Key Features

• • • Leak-Resistant Fit: Ensures tight, drip-free sealing
    • Corrosion-Resistant: Designed for harsh, high-pressure environments
    • Compact Design: Easily fits in tight system layouts
    • Mosmatic Engineering: Trusted Swiss precision for professional use

Material Type: brass, nickel plated

Pressure: 4000 psi

Threading In: 3/8"NPTM 

Threading Out: 3/8"NPTM