SECONDARY OUTFLOW VALVE-CABIN PRES (P/N 390-384025-0003) - Serviceable

The 390-384025-0003 is a secondary outflow valve for aircraft cabin pressurization systems. This redundant valve regulates overboard airflow discharge to maintain cabin altitude within safe operating limits as part of the Environmental Control System (ATA 21). Positioned near the aft pressure bulkhead, it modulates flow alongside the primary outflow valve to prevent over-pressurization and ensure cabin safety.

Installation requires compliance with aircraft AMM procedures and IPC compatibility verification before integration into the pressurization system.

What is the SECONDARY OUTFLOW VALVE-CABIN PRES (P/N 390-384025-0003)?

The 390-384025-0003 is a secondary outflow valve for aircraft cabin pressurization systems. This redundant valve regulates overboard airflow discharge to maintain cabin altitude within safe operating limits as part of the Environmental Control System (ATA 21).

Is the 390-384025-0003 a PMA or OEM part?

The SECONDARY OUTFLOW VALVE-CABIN PRES 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: Serviceable. Contact us for sourcing details.

Does the 390-384025-0003 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 SECONDARY OUTFLOW VALVE-CABIN PRES. We stock related hardware and can help identify companion parts.

Can the 390-384025-0003 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 390-384025-0003.