COVER ASSY (P/N ams4290) - As Removed

The ams4290 is an aluminum die-cast cover assembly conforming to SAE AMS4290 360.0 alloy specifications. This component seals and protects aircraft access openings and equipment housings from contamination and environmental exposure. Used in MRO maintenance to cap structural cavities and system enclosures while preserving internal integrity.

Installation follows the applicable aircraft maintenance manual and IPC compatibility verification before return to service.

What is the COVER ASSY (P/N ams4290)?

The ams4290 is an aluminum die-cast cover assembly conforming to SAE AMS4290 360. 0 alloy specifications.

Is the ams4290 a PMA or OEM part?

The COVER ASSY may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: As Removed. Contact us for sourcing details.

Does the ams4290 include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the COVER ASSY. We stock related hardware and can help identify companion parts.

Can the ams4290 be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the ams4290.