743J9MT987N

SEAL ASSY
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About this product
The 743J9MT987N Seal Assembly is a factory-new, OEM-dimensioned sealing unit supplied with EASA Form-1 traceability. Designed for use wherever a reliable replaceable seal is required, this assembly restores leak-tight performance between mating surfaces in hydraulic, pneumatic, and fluid-handling equipment. Manufactured to tight tolerances and supplied as a ready-to-fit unit, the seal assembly simplifies maintenance, reduces downtime, and guarantees documented conformity with certified aircraft maintenance records.
743J9MT987N Datasheet
Lead Time: Stock
Certification: EASA Form 1
UOM: EA
8130/EASA Eligible: Yes
International Shipping: Available
PRODUCT DESCRIPTION

743J9MT987N

  • EASA Form-1 certified: Supplied with traceable paperwork for inclusion in maintenance records and certified installations.

  • OEM form-fit replacement: Manufactured to the original dimensions, so it installs without modification into the specified housing.

  • Aerospace-grade materials: Constructed from aircraft-approved elastomers and backing materials specified on the CofC for durability.

  • Precision molding: Tight dimensional control ensures even compression and consistent sealing performance.


  • Seals hydraulic actuator glands in flight-control units during overhaul and scheduled maintenance.

  • Provides the sealing element in pump housings and accessory gearboxes during bench testing and in-service.

  • Forms a leak barrier on pneumatic valve stems and manifolds in pressurization and ECS assemblies.

  • Seals fuel system couplings and pump interfaces where the AMM specifies a certified replacement seal.


  • What material is the seal made of?

The exact elastomer and backing material are listed on the EASA Form-1/CofC supplied with the part. Check the paperwork for compound and compatibility.

  • How do I know it will fit my housing?

This is an OEM form-fit part. Confirm the part number against the IPC/AMM or installation drawing to ensure correct fitment.

  • Is certification paperwork included?

Yes, each unit ships with EASA Form-1 documentation, including lot traceability and material data, suitable for certified maintenance records.


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