Firewall connectors are mechanical and electromechanical pass-through devices designed to maintain structural and environmental integrity at fire-zone boundaries, such as those separating engine bays from airframes, whilst routing fuel, hydraulic, pneumatic, or electrical services across the barrier using FAR/CS 23/25-compliant fire-resistant materials including stainless steel, titanium, and high-temperature PTFE seals.
To see a list of companies in this category click on the tab above.
Sponsorship of the Mechanical Connectors sector is currently available. See our advertising pages for details.
Firewall Connectors suppliers linked to most aircraft programs in our database.
Latest Airframer news and company press releases
| 16/06/2026 | Press Release: ITT signs agreement to acquire Aerospace Contacts LLC, a leading provider of specialised, high-reliability contacts |
Sectors serving Mechanical Connectors companies:
Metals •
Fasteners •
Plastics •
Bearings •
Machining & Metal Removal •
Forming Processes •
Non-metal Materials •
Seals & Sealing •
Metal Processing & Heat Treatment •
Chemicals •
Adhesives •
Plating •
Coatings •
Composite Materials

Mechanical Connectors

Sectors purchasing from Mechanical Connectors companies:
Airframer •
Airframe Assemblies •
Turbine Engines •
Fluid Power •
Actuation •
Engine Rotating & Gas-Path Parts •
Tubing, Hoses & Conduits •
Environmental Systems •
Mechanical Hardware •
Fuel Systems •
Valves •
Electrical Power Systems •
Landing Assemblies •
Auxiliary Power •
Power Transmission •
Oxygen Systems & Equipment •
Safety & Emergency Systems •
Rotors & Propellers