40303920
O-RING
Specifications
- Part Number
- 40303920
- Manufacturer
- EMB
- ATA ChapterMaintenance system chapter
- 36 — PneumaticField reports: 36 (94%) · 75 (6%) — 16 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Consumables / Hardware
- Inventory ClassRotable, expendable, or consumable
- Consumable
- Certification
- OEM
- Aircraft Category
- Regional
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 16
- Replace events
- 16
- Repair events
- 0
- K-code events
- 0
Reporting window 2006-07-14 – 2013-05-04Dominant chapter ATA 36
Directional indicator only. Reflects what operators reported to the FAA when a difficulty was logged — not a fleet-normalized failure rate or a cost-based BER. Use alongside operator-specific data.
Airframe Applicability(2)
Alternate / Related Part Numbers(1)
403039-20WEpma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
Alternates1 found
ClassConsumable
CriticalityStandard
CategoryRegional
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