Part catalog
21C1-3-22
PRESSURE SWITCH
-ATA 28 · Fuel
Catalog record
- Part number
- 21C1-3-22
- Manufacturer
- -
- ATA chapter
- ATA 28 · Fuel
- Application
- B737NG
- Platform
- B737NG
- Source observations
- 52
- Last observed
- 2026-04-13
Catalog data is source-backed reference information. It does not establish availability, repair capability, certification, traceability, ownership, or airworthiness.