NACELLE FIREWALL AFT SUB ASSY (P/N 31910-404) - As Removed
P/N: 31910-404
Category: Structural Components
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| As Removed | 2 Available |
Product Description
The 31910-404 is a nacelle firewall aft subassembly that isolates the engine compartment from adjacent fuselage structure. This firewall assembly creates a fire barrier between the engine zone and cabin areas, meeting 14 CFR 25.1191 fireproof and sealed firewall requirements. Installed at the aft nacelle position, it separates engine fire zones and manages system penetrations for fuel, hydraulic, and electrical lines.
The assembly integrates with engine mount structure and nacelle skin. Installation requires verification against the aircraft's Illustrated Parts Catalog and compliance with the applicable Aircraft Maintenance Manual procedures.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the NACELLE FIREWALL AFT SUB ASSY (P/N 31910-404)?
The 31910-404 is a nacelle firewall aft subassembly that isolates the engine compartment from adjacent fuselage structure. This firewall assembly creates a fire barrier between the engine zone and cabin areas, meeting 14 CFR 25.
Is the 31910-404 a PMA or OEM part?
The NACELLE FIREWALL AFT SUB ASSY may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: As Removed. Contact us for sourcing details.
Does the 31910-404 include installation hardware?
Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the NACELLE FIREWALL AFT SUB ASSY. We stock related hardware and can help identify companion parts.
Can the 31910-404 be shipped internationally?
Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 31910-404.
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