Size (CM)：45*35*18 

Weight (KG)：4.8 

C34005-16 is a specialized avionics test adapter designed for commercial aircraft maintenance, providing seamless connectivity between test equipment and aircraft avionics systems. This precision-engineered component features high-density pin configuration and durable construction, ensuring reliable signal transmission during diagnostic testing and troubleshooting procedures. 

Brand
JUNXUN

Overview
The C34005-16 is a high-precision, multi-fleet Avionics Extension Box Assembly custom-engineered for the electronic and electrical system testing, calibration, and troubleshooting of Boeing 737, 747, 777, and 787 commercial aircraft series. Classified as an essential avionics Ground Support Equipment (GSE) tooling component, this specialized hardware acts as a heavy-duty signal breakout and diagnostic interface for complex onboard wiring harnesses. Manufactured by JUNXUN to comply with strict Boeing engineering specifications, the C34005-16 allows hangar technicians and electrical engineers to extend and secure critical electrical pathways safely, facilitating flawless diagnostic signal routing without compromising the structural or pressure integrity of the aircraft's primary electronic bays.

Key Points
Universal Boeing Fleet Integration: Custom-configured to interface perfectly with the standardized avionics rack architecture and high-density pin connectors of Boeing 737, 747, 777, and 787 fleets.

Interference-Free Signal Breakout: Engineered with premium internal shielding to eliminate electromagnetic interference (EMI) and cross-talk during highly sensitive digital bus or power distribution diagnostic routines.

Rugged Hangar-Grade Enclosure: Fabricated from high-tensile, anodized aluminum alloy to provide exceptional structural protection against accidental impacts, chemical exposure, and mechanical stress in busy workshop cells.

Gold-Plated Low-Resistance Contacts: Features precision-machined, gold-plated pin mating assemblies to ensure optimal electrical conductivity, minimal insertion wear, and repeatable test accuracy.

Applications
Avionics System Troubleshooting & MRO: Deployed by specialized avionics repair stations during scheduled C-checks and D-checks to isolate wiring faults, monitor flight control loops, and test navigational systems.

Aircraft Line Maintenance Diagnostics: Utilized by airline engineering hubs as a critical tool-crib asset to quickly address electronic dispatch anomalies and optimize aircraft turnaround times (TAT).

Electrical Modification and Fleet Upgrades: Employed during airframe cabin refits or flight-deck hardware upgrades as a certified reference interface box to verify loop resistance and pin-to-pin wiring conformity.