Part catalog
121278-4
GEARBOX BALL
Allied SignalATA 78 · Exhaust
Catalog record
- Part number
- 121278-4
- Manufacturer
- Allied Signal
- ATA chapter
- ATA 78 · Exhaust
- Application
- 767/MD11
- Platform
- 767/MD11
- Source observations
- 7
- Last observed
- 2026-04-13
Catalog data is source-backed reference information. It does not establish availability, repair capability, certification, traceability, ownership, or airworthiness.