R4055
Bypass Valve Actuator
Specifications
- Part Number
- R4055
- Manufacturer
- Whippany Actuation Systems LLC
- ATA ChapterMaintenance system chapter
- 29 — Hydraulic Power
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Hydraulics
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- PMA
- Aircraft Category
- Multi-Category
- Criticality
- Standard
Airframe Applicability(1)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes1 applicable
AlternatesNone recorded
ClassRotable
CriticalityStandard
CategoryMulti-Category
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Coming Soon