47-620-665-1
Roller, Pinion, Upper Planetary, Trans.
Specifications
- Part Number
- 47-620-665-1
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 63 — Main Rotor Drive(s)
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Powerplant / Nacelle
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Helicopter
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Airframe Applicability
No airframe data available for this part.
Alternate / Related Part Numbers(1)
90-620-665-1pma replacement
Data Sources(1)
- 2026-05-18Pma Oem Expansion
Quick Facts
AirframesUnknown
Alternates1 found
ClassRotable
CriticalityStandard
CategoryHelicopter
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Analyze my parts →Similar Parts(8)
01454430001
TACHOMETER
ATA 63OEM
01BL292400004-01
Transmission Fairing Installation
ATA 63PMARSG Products Inc.
020957-1
gasket endcap gearbox
ATA 63OEMairbus helicopters inc american eurocopter
02W116213
VALVE SEAT
ATA 63OEM
0401272820
DUCT
ATA 63OEM
047-641-175-001AA
Race
ATA 63PMAAble Aerospace Services, Inc.
0476206283
BEARING
ATA 63
065-16000
torque brake
ATA 63OEMsikorsky aircraft corporation