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2187398 — SEAL,AIR,AIRCRAFT GAS TURBINE EN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2187398: SEAL,AIR,AIRCRAFT GAS TURBINE EN.

SEAL,AIR,AIRCRAFT GAS TURBINE EN. Key specifications include special_features: HIGHER ASSEMBLY: FRONT COMPRESSOR ROTOR AND STATOR ASSEMBLY, end_item_identification: J52 ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 2840-01-470-6436, 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
2187398
NSN: 2840-01-470-6436
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresHIGHER ASSEMBLY: FRONT COMPRESSOR ROTOR AND STATOR ASSEMBLY
end_item_identificationJ52 ENGINE
NSN2840-01-470-6436
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL,AIR,AIRCRAFT GAS TURBINE EN TITLE COMPONENT PN 2187398 MFR SEAL,AIR,AIRCRAFT GAS
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESHIGHER ASSEMBLY: FRONT COMPRESSOR ROTOR AND STATOR ASSEMBLY
END ITEM IDENTIFICATIONJ52 ENGINE
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.
2840-00-000-0048 2840-00-000-0049 2840-00-001-1741 2840-00-001-1743 2840-00-001-2117 2840-00-001-2284 2840-00-001-3922 2840-00-001-4903
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 2187398?
2187398 is a SEAL,AIR,AIRCRAFT GAS TURBINE EN.
What is the NSN for 2187398?
2187398 is cataloged in the U.S. Government catalog under NSN 2840-01-470-6436. 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.