Parker PBS-371-8MP Pneumatic Hose Coupler 3/8 in Male Nptf

Product Description

The PARKER PBS-371-8MP is a male NPTF pneumatic hose coupler designed for industrial compressed-air systems. The body measures 3/8 inches in diameter and connects via a 1/2 inch male NPTF threaded fitting, making it suitable for quick-connect and tool-change applications in shop and field environments. The coupler body is molded from polyamide, offering a lightweight, corrosion-resistant alternative to brass or steel couplers in moderate-duty pneumatic circuits. HVAC technicians, industrial maintenance crews, and general contractors commonly use couplers of this type to connect air hoses to compressors, pneumatic tools, and blow-off assemblies.

This coupler is intended for industrial pneumatic service where a threaded male NPTF connection is required at the hose or tool end. It is well suited to residential and light commercial job sites, maintenance shops, and mechanical rooms where standard industrial-interchange pneumatic fittings are the prevailing system type. The polyamide construction keeps overall assembly weight low without sacrificing the thread engagement needed for a reliable pressure seal.

Key Features

• 3/8 inch body diameter for standard industrial-interchange pneumatic circuits
• 1/2 inch male NPTF threaded connection for secure, leak-resistant engagement
• Polyamide body construction — lightweight and corrosion resistant
• Threaded coupling type allows positive hand-tightened installation without special tools
• Weighs 0.12 pounds — minimal added weight on hose assemblies

Compatibility

Designed as an OEM-style replacement or new-installation coupler for industrial pneumatic hose assemblies using standard 1/2 inch male NPTF threaded connections and industrial-interchange coupler bodies.

Installation Notes

Installation is performed by maintenance technicians or any trade professional working with compressed-air systems. Depressurize and bleed down the air line completely before removing or installing any coupler. Apply thread sealant tape or paste appropriate for pneumatic service to the male NPTF threads before engagement. Do not overtighten polyamide-bodied fittings — hand-tight plus a controlled turn with a wrench is sufficient to seat the threads without cracking the body.