0YW7130A01M01

PISTON
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About this product
The 0YW7130A01M01 is a precision‑machined aluminum piston assembly designed for aircraft hydraulic actuators and landing‑gear shock absorbers. Constructed from 7075‑T6 alloy with a hard‑anodized bore and integrated seal grooves, it delivers smooth, leak‑free movement under high pressures and extreme temperatures. Supplied with full EASA Form 1 trace paperwork, it’s ready for certified installation.
0YW7130A01M01 Datasheet
UOM: EA
Hazardous Item: Non-Hazardous Item
Lead Time: Stock
8130/EASA Eligible: Yes
Certification: EASA Form 1
PRODUCT DESCRIPTION

0YW7130A01M01

  • 7075‑T6 Aluminum Alloy: High strength‑to‑weight ratio for durable, lightweight operation.

  • Hard‑Anodized Surface: Provides wear resistance and low friction in the cylinder bore.

  • Integrated Seal Grooves: Precision‑cut grooves accept O‑rings and backup rings for reliable sealing.

  • Hardness‑Optimized Core: Balanced material hardness prevents galling under high‑cycle loads.


  • Provides smooth, dampened piston travel during touchdown and taxi.

  • Transmits hydraulic force to the aileron and elevator surfaces in flight.

  • Drives hydraulic cylinders that open and close heavy cargo doors on ramps.

  • Extends and retracts wing‑flap actuators under aerodynamic loads.


  • How do I inspect the piston before installation?

Check anodized surface for scratches, measure diameter with a micrometer, and verify groove dimensions for seal fit.

  • How often should seals be replaced?

Replace O‑rings and backup rings at each major overhaul or if any fluid leakage or seal set is observed.

  • Is full trace documentation included?

Absolutely, each piston ships with an EASA Form 1 certificate and serialized trace paperwork for maintenance records.


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