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The ITW / Miller Electric 2200315 Power Pin Cap (Technical Designation: PWR PIN CAP SETSCREW MILLER BLK LA8A-XX) is an industrial MIG welding consumable designed for semi-automatic, fixed automatic, and robotic MIG (GMAW) welding systems. It functions within the rear backend configuration of welding guns to house, guide, and mechanically secure the welding liner at the rear power pin connection point.
Features
Zero-Slip Liner Anchoring: Setscrew mechanism locks the liner assembly to eliminate axial liner movement during wire feeding.
Visual Error Prevention: Black color-coding allows visual verification of backend components.
Anti-Galling Engineering: Machined threads reduce mechanical friction during maintenance swap-outs.
Electrical and Gas Isolation: Maintains concentric alignment of the inner welding liner to gas flow paths and electrical contact zones, preventing gas turbulence, leaks, and micro-arcing.
Thermal and Impact Resistance: Thermoplastic outer shell resists temperatures over 150°C (302°F) without outgassing, melting, or cracking under structural impacts.
Specifications
Manufacturer: Miller Electric / ITW Welding Group
Brand Segment: Bernard / Miller Industrial Consumables
Product SKU: 2200315
Component Type: MIG Gun Backend Liner Power Pin Cap / Retaining Nut
Retention Style: Internal Threaded with Integrated Setscrew Locking Mechanism (SSC)
Color Code: Matte Industrial Black (BLK)
Backend Standard: Lincoln Style Footprint Geometry
Internal Diameter Taper: Designed for heavy industrial wire liners
Thread Specification: Unified Fine Thread (UNF) machined profile
