14K05 - ESAB Tweco Style O-Ring .489 ID x .070 (10-Pack)

Reliable Sealing for Professional MIG Equipment

The ESAB 14K05 O-Ring is a critical replacement component designed to maintain the integrity of your welding equipment's gas delivery system. Precision-engineered to exact specifications, this O-ring features an inner diameter (ID) of 0.489 inches and a cross-sectional thickness of 0.070 inches. These specific dimensions are essential for ensuring a tight, leak-proof fit within compatible Tweco and ESAB MIG gun assemblies, adapters, and conductor tubes. Sold in a pack of 10, this product allows fabrication shops and individual welders to keep essential spares on hand, minimizing downtime caused by worn or damaged seals.

Material Quality and Performance

Manufactured from high-quality elastomer materials, these O-rings are designed to withstand the rigors of the welding environment. They offer excellent resistance to compression set, meaning they maintain their shape and sealing ability even after prolonged use under pressure. The material is also selected for its resistance to drying and cracking, common issues that lead to shielding gas leaks. A compromised O-ring can allow atmospheric air to be aspirated into the gas stream, leading to porosity in the weld bead and compromised structural integrity. By using genuine ESAB replacements, you ensure that your equipment continues to operate at the manufacturer's intended performance levels.

Maintenance and Installation

Routine inspection of O-rings is a vital part of preventative maintenance for any MIG welding setup. Over time, friction from assembling and disassembling torch parts, as well as exposure to heat and contaminants, can degrade seals. Installing the 14K05 O-ring is a straightforward process that restores the gas seal in seconds. It is recommended to lightly lubricate the O-ring with a compatible O-ring lubricant during installation to prevent tearing and to extend its service life. This 10-pack ensures you always have a fresh seal ready when you perform liner changes or torch repairs.