268532 - Miller 3/8-16 Steel Coupling Nut, 1.13-Inch Length

Genuine Miller 268532 Coupling Nut Specification

The Miller 268532 is a specialized coupling nut designed to meet the rigorous engineering standards of Miller Electric welding equipment. Manufactured from high-grade steel, this fastener features a standard .375-16 (3/8-16 UNC) thread pitch, making it compatible with a wide range of threaded rods and studs used within industrial machinery. The nut is machined with a 0.63-inch hex profile, corresponding to a standard 5/8-inch wrench size, ensuring ease of installation and removal during maintenance procedures. With a precise height of 1.13 inches, this component often serves a dual purpose: acting as a secure fastener and a precise spacer between components within the welder's chassis.

Corrosion resistance is a critical factor for internal machine components, particularly in environments where temperature fluctuations and humidity can occur. This nut is finished with a clear plating (typically zinc with a clear chromate conversion coating), which provides a protective barrier against oxidation without altering the dimensional tolerance of the threads. This ensures that the nut remains seizing-free and serviceable over the lifespan of the equipment. Using genuine OEM hardware like the 268532 guarantees that the metallurgical properties and load-bearing capacities match the original design specifications of your Miller power source.

In industrial MRO (Maintenance, Repair, and Operations), sourcing the correct hardware is vital for minimizing downtime. While generic coupling nuts exist, they often lack the specific height tolerance required for internal assemblies where clearance is limited. The Miller 268532 ensures that ground straps, transformer mounts, or chassis panels are aligned exactly as intended by the manufacturer. This attention to detail prevents stress fractures in mounted components and ensures optimal electrical and mechanical performance of the welding unit.

Key Technical Specifications:

• Part Number: 268532
• Thread Size: 3/8-16 UNC
• Hex Width: 0.63 inches (approx. 5/8")
• Overall Height: 1.13 inches
• Material: Carbon Steel
• Finish: Plated Clear Coat