David Clark U3815A Drilled Screened Box, P/N 26497P‑21 Boeing model airplane reliable connection without sacrificing the

reliable connection without sacrificing the convenience of the PIVOT Click-Connect system

and masonry products

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David Clark U3815A Drilled Screened Box, P/N 26497P‑21 Boeing model airplane reliable connection without sacrificing theDavid Clark Drilled Screened Box Elevation, U3815A 26497P21 Upgrade your intercom system with the genuine David Clark Drilled Screened Box Elevation U3815A (Part 26497P21). Designed for compatibility with Series 3800 headsets, this module delivers reliable PTT and volume control for safe, clear cockpit communication. Seamless Intercom Integration Integrates headsets with mobile radios in the Series 3800 system using drilled and screened enclosure.