DUCT ASSY (P/N 390-554940-0003) - As Removed
P/N: 390-554940-0003
Category: Ducts & Environmental Control
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 | 1 Available |
Product Description
Part 390-554940-0003 is a duct assembly for aircraft environmental control systems, routing blower or ram air between the air source and downstream ducting. This flexible duct conveys conditioned or unheated air through the ECS during normal operations and emergency descent procedures. Installation requires approved clamps per the aircraft maintenance manual, with proper routing to avoid heat sources and moving parts.
Conforms to SAE AS1501/AS8796 for flexible hose specifications and ARP699E for high-temperature pneumatic duct systems.
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 DUCT ASSY (P/N 390-554940-0003)?
Part 390-554940-0003 is a duct assembly for aircraft environmental control systems, routing blower or ram air between the air source and downstream ducting. This flexible duct conveys conditioned or unheated air through the ECS during normal operations and emergency descent procedures.
Is the 390-554940-0003 a PMA or OEM part?
The DUCT 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 390-554940-0003 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 DUCT ASSY. We stock related hardware and can help identify companion parts.
Can the 390-554940-0003 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 390-554940-0003.
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