DOOR SEQ,MECHANISM (P/N 25um855a) - As Removed

The 25um855a is a door sequencing mechanism that coordinates latch release, panel movement, and re-latching operations. This mechanical assembly interfaces with actuators and linkages to synchronize handle, latch, and door panel movement, preventing interference and ensuring safe operation. Installed at door or panel stations on aircraft to manage the sequence of opening and closing events.

Steel construction provides durability in repeated cycling. Install and rig per the aircraft maintenance manual. Verify compatibility with your aircraft's Illustrated Parts Catalog before installation.

What is the DOOR SEQ,MECHANISM (P/N 25um855a)?

The 25um855a is a door sequencing mechanism that coordinates latch release, panel movement, and re-latching operations. This mechanical assembly interfaces with actuators and linkages to synchronize handle, latch, and door panel movement, preventing interference and ensuring safe operation.

Is the 25um855a a PMA or OEM part?

The DOOR SEQ,MECHANISM 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 25um855a 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 DOOR SEQ,MECHANISM. We stock related hardware and can help identify companion parts.

Can the 25um855a 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 25um855a.