David Clark Over‑Head Acoustic Tube Mount Kit | P/N 12323G‑02 Boeing pencil set as well as frequently misunderstood

as well as frequently misunderstood principles of airspeed and high altitude operations

Whether displayed as a centerpiece in an aviation collection or used as professional office décor

This side pocket attaches easily to BrightLine’s FLEX System

and H9990 headset models

David Clark Over‑Head Acoustic Tube Mount Kit | P/N 12323G‑02 Boeing pencil set as well as frequently misunderstoodDavid Clark OverHead Acoustic Tube Mount Kit P N 12323G02 OEM mounting kit for overhead acoustic tube headset configurations. Designed for stable, ergonomic positioning of acoustic tubes in high noise aviation environments. Over Head Mounting Style Supports acoustic tubes routed above the head for comfort and headset stability Secure Tube Placement Ensures consistent mic positioning and audio performance OEM David Clark Quality Built for compatibility