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4058990 — SEAL,AIR,AIRCRAFT GAS TURBINE EN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4058990: SEAL,AIR,AIRCRAFT GAS TURBINE EN.

SEAL,AIR,AIRCRAFT GAS TURBINE EN. Key specifications include end_item_identification: ACFT ENG 100, engine_section_location: COMBUSTION CHAMBER, criticality_code_justification: AGAV. This part is cataloged in the U.S.

Government catalog under NSN 2840-01-147-1754, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4058990
NSN: 2840-01-147-1754
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationACFT ENG 100
engine_section_locationCOMBUSTION CHAMBER
criticality_code_justificationAGAV
NSN2840-01-147-1754
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL,AIR,AIRCRAFT GAS TURBINE EN TITLE COMPONENT PN 4058990 MFR SEAL,AIR,AIRCRAFT GAS
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
ENGINE SECTION LOCATION: COMBUSTION CHAMBER
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONAGAV
ENGINE SECTION LOCATIONCOMBUSTION CHAMBER
END ITEM IDENTIFICATIONACFT ENG 100
OTHER ITEMS IN FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242 2840-00-021-4702 2840-00-043-0981 2840-00-043-0982 2840-00-048-5261 2840-00-407-9165 2840-01-171-0875
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4058990?
4058990 is a SEAL,AIR,AIRCRAFT GAS TURBINE EN.
What is the NSN for 4058990?
4058990 is cataloged in the U.S. Government catalog under NSN 2840-01-147-1754. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.