335-299-401-0 WE

SEAL
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About this product
The 335-299-401-0 WE is a factory-new aircraft seal supplied with TRI-Release documentation for traceability. Manufactured to OEM form and fit, this seal is intended as a direct replacement in the equipment or assembly called out by the aircraft parts list. It provides a reliable, removable sealing element to prevent fluid or air leakage and to keep contaminants out of serviceable housings. The part is supplied ready for certified maintenance use and should be fitted following the aircraft or equipment maintenance manual.
335-299-401-0 WE Datasheet
Lead Time: Stock
UOM: EA
Certification: TRI RELEASE 8130
8130/EASA Eligible: Yes
International Shipping: Available
PRODUCT DESCRIPTION

335-299-401-0 WE

  • TRI-Release traceability: Supplied with trace paperwork to support maintenance records and audits.

  • OEM form-fit: Manufactured to drop into the specified gland or groove without modification.

  • Precision dimensions: Tight dimensional control for consistent compression and reliable sealing.

  • Service-friendly replacement: Designed for quick removal and refit during routine maintenance.


  • Seals rod or piston glands during actuator overhaul and routine maintenance.

  • Prevents oil or lubricant seepage from small pump housings and accessory covers.

  • Provides a leak barrier on pneumatic valves in pressurization and ECS systems.

  • Seals service ports and fittings where the AMM specifies this OEM part.


  • What is this seal used for?

It provides a leak-resistant interface between mating parts like hydraulic, pneumatic, fue,l or accessory housings, per the aircraft AMM.

  • Can I reuse the seal after removal?

Generally, seals are replaced when disturbed. Reuse only if the AMM permits and the seal passes a careful inspection with no damage or permanent set.

  • How do I inspect the seal before fitting?

Check for cuts, nicks, flattening, discoloration or contamination, confirm dimensions against the drawing, and ensure the TRI paperwork matches the part.


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