SPROCKET - BOTTOM FORWARD (P/N 25-8CF-49-1) - As Removed

The 25-8CF-49-1 is a machined steel sprocket for aircraft flap drive systems. This bottom-forward sprocket engages with roller chain to transmit rotary motion through synchronized actuation assemblies. Mounted on a keyed shaft, it provides positive chain engagement for accurate positioning in mechanical drive trains.

Installation requires keying to the drive shaft and alignment with chain runs per the aircraft maintenance manual. Verify part compatibility with your aircraft's illustrated parts catalog before replacement.

What is the SPROCKET - BOTTOM FORWARD (P/N 25-8CF-49-1)?

The 25-8CF-49-1 is a machined steel sprocket for aircraft flap drive systems. This bottom-forward sprocket engages with roller chain to transmit rotary motion through synchronized actuation assemblies.

Is the 25-8CF-49-1 a PMA or OEM part?

The SPROCKET - BOTTOM FORWARD 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 25-8CF-49-1 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 SPROCKET - BOTTOM FORWARD. We stock related hardware and can help identify companion parts.

Can the 25-8CF-49-1 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 25-8CF-49-1.