The Western Enterprises Item #144 Bushing is a precision-machined brass adapter designed to connect 1/2″ NPT female regulator outlets to B-size (9/16″–18 Right Hand) oxygen fittings. Commonly used in industrial and welding applications, this bushing provides a secure, leak-free connection between oxygen regulators, hoses, and equipment. Built from high-quality brass, it delivers reliable performance and corrosion resistance under high-pressure oxygen service.

Key Features

• Genuine Western Enterprises® fitting – ensures quality, precision, and compatibility
• Adapts 1/2″ NPT to B-size (9/16″–18 RH) – connects oxygen regulators to B-size fittings
• Constructed from solid brass – durable, corrosion-resistant, and oxygen-safe
• Rated for up to 200 psig – suitable for most industrial and welding oxygen systems
• Right-hand thread – standard connection for oxygen service
• Industrial-grade reliability – designed for long service life under demanding use

Technical Specifications

Manufacturer: Western Enterprises®
Model / Part Number: #144
Connection 1: 1/2″ NPT (National Pipe Thread)
Connection 2: B-size, 9/16″–18 RH (Oxygen)
Thread Direction: Right-hand (RH)
Maximum Pressure: 200 psig
Material: Brass
Gas Service: Oxygen