H561 - Miller H561 Brass Inlet Nut, CGA-024 Connection

Miller H561 Brass Inlet Nut Overview

The Miller H561 Nut, Inlet, Brass CGA024 is a specialized component designed for precise gas control applications within industrial welding and cutting environments. Manufactured by Miller Electric, a leader in arc welding products, this inlet nut exemplifies the company's commitment to quality and safety. The component is machined from high-grade brass, a material selected for its excellent machinability, corrosion resistance, and non-sparking properties, which are critical in combustible gas environments. The H561 is engineered to meet the specific dimensional tolerances of the CGA-024 standard. While less common than standard inert gas fittings, the CGA-024 designation ensures compatibility with specific regulator inlets and manifold systems requiring this particular thread profile and seating arrangement.

In the realm of gas distribution, the integrity of the connection between the gas source and the regulation equipment is paramount. The H561 nut serves as the primary mechanical fastener, applying the necessary axial force to seat the inlet nipple against the mating surface, thereby creating a gas-tight seal. The use of OEM parts like the H561 is essential for maintaining the pressure rating and safety certification of the assembly. Generic or ill-fitting nuts can lead to thread deformation, compromised seals, and potential gas leaks, which pose significant safety hazards. This component is typically utilized in conjunction with compatible tailpieces or nipples to form a complete inlet assembly.

Technicians and maintenance personnel rely on the H561 for its consistency and durability. The brass construction withstands the mechanical stresses of tightening and loosening during cylinder changes or equipment maintenance. Furthermore, the precise threading minimizes the risk of cross-threading, a common issue that can render expensive regulators unusable. By adhering to strict manufacturing standards, Miller ensures that the H561 performs reliably under the varying pressures and environmental conditions found in industrial settings. Whether used for repair or new assembly fabrication, this nut provides the assurance of a factory-correct fit.