Tweco 1520-1140 Mig Gas Diffuser Brass 5 Pack

Product Description

The TWECO 1520-1140 is a brass MIG gas diffuser designed for use with Tweco No.2 and WM250 MIG guns. The diffuser routes shielding gas from the gun neck to the nozzle, maintaining stable gas coverage around the weld pool. Its 3/8 inch-24 threaded connection accepts WS14 series contact tips. Machined from solid brass, it delivers reliable conductivity and heat resistance in demanding MIG welding environments. Each pack contains 5 diffusers, making it a practical consumable replenishment option for shops and field welders running compatible Tweco equipment.

This gas diffuser is suited for MIG welding applications in light industrial, fabrication, and maintenance-and-repair settings. It fits the Tweco No.2 and WM250 MIG gun platforms and accepts WS14 series contact tips, making it a direct-fit consumable for technicians already running Tweco Weldskill guns. The 3/8 inch-24 thread size is a standard Tweco fitting, supporting straightforward consumable changeovers during production or service calls.

Key Features

• Brass construction for conductivity and heat resistance
• 3/8 inch-24 thread accepts WS14 series contact tips
• Compatible with Tweco No.2 and WM250 MIG guns
• Sold as a 5-pack for efficient consumable stocking
• OEM-style replacement for Tweco Weldskill gun platforms

Compatibility

Designed for use with Tweco No.2 and WM250 MIG guns. Accepts WS14 series contact tips via 3/8 inch-24 thread connection.

Installation Notes

Gas diffuser replacement is a routine consumable task performed by MIG welders and maintenance technicians. Always power down the welding machine and disconnect the gun from the wire feeder before changing consumables. Thread the diffuser in by hand first to avoid cross-threading, then snug with an appropriate wrench. Inspect the contact tip and nozzle condition during each diffuser replacement to maintain weld quality.

Technical Specifications

• Material: Brass
• Thread Size: 3/8 inch-24
• Length: 1.7 inches
• Width: 0.5 inches
• Height: 0.5 inches
• Weight: 0.06 pounds
• Pack Quantity: 5 per pack
• UPC: 608246288161

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1520-1140