Part catalog
20798-01
VALVE # VALVE-OVERBOARD EXHAUST
ATA 21 · Air Conditioning
Catalog record
- Part number
- 20798-01
- ATA chapter
- ATA 21 · Air Conditioning
- Application
- B737NG
- Platform
- B737NG
- Source observations
- 8
- Last observed
- 2026-03-31
Catalog data is source-backed reference information. It does not establish availability, repair capability, certification, traceability, ownership, or airworthiness.