R2A - Miller Smith R2A Little Torch Oxygen Hose Nut

Precision Replacement for Oxy-Fuel Systems

The Miller R2A Nut, Rh Hose Connection is a critical replacement component designed for the renowned Smith Little Torch and Quickbraze systems. Manufactured to the exacting standards of Miller Electric (parent company of Smith Equipment), this nut is essential for maintaining the safety and functionality of precision oxy-fuel setups. In the realm of industrial MRO and jewelry manufacturing, the integrity of gas connections is paramount. This component is machined from high-quality brass, offering superior resistance to corrosion and mechanical deformation, ensuring a long service life even under frequent use.

The R2A specifically features Right-Hand (RH) threads. In the standardized color-coding and threading of oxy-fuel equipment, right-hand threads are universally used for oxygen lines (typically green hoses), while fuel gas lines use left-hand threads. This safety feature prevents the accidental cross-connection of fuel and oxidizer lines, which could lead to dangerous flashbacks or explosions. This nut is designed to secure the hose nipple to the torch body or regulator, creating a gas-tight seal that prevents leaks. Leaks in an oxygen line can be particularly hazardous, as oxygen-enriched atmospheres significantly increase flammability and combustion rates of surrounding materials.

Professionals utilizing the Little Torch for micro-joining, electronics repair, or dental lab work rely on the precision of their equipment. A worn or stripped nut can compromise the seal, leading to inconsistent flame characteristics or safety hazards. The Miller R2A provides a direct-fit solution that restores the equipment to factory specifications. It is compatible with the specific hose barbs and nipples used in the lightweight hose assemblies characteristic of the Little Torch system.

Technical Specifications

• Manufacturer: Miller / Smith Equipment
• Part Number: R2A
• Material: Brass
• Thread Direction: Right-Hand (Standard for Oxygen)
• Application: Hose connection for Little Torch and Quickbraze