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4037628 — SEAL,AIR,AIRCRAFT GAS TURBINE EN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4037628: SEAL,AIR,AIRCRAFT GAS TURBINE EN.

SEAL,AIR,AIRCRAFT GAS TURBINE EN. Key specifications include fsc_application_data: ACFT BOMBING FIRE CONTROL COMPONENTS, end_item_identification: B52 OAS/CMI PACER GYM. This part is cataloged in the U.S.

Government catalog under NSN 2840-00-343-8475, 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
4037628
NSN: 2840-00-343-8475
NIINs: 003438475, 010952727
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
fsc_application_dataACFT BOMBING FIRE CONTROL COMPONENTS
end_item_identificationB52 OAS/CMI PACER GYM
general_characteristics_item_descriptionLENGTH 15.50 INCHES,HEIGHT 13.00 INCHES,WIDTH 4.00 INCHES;MIRROR ASSEMBLY,LENS ASSEMBLY;CONTAINS 1 MOTOR WHICH OPERATES ON 22 VOLTS DC IN
NSN2840-00-343-8475
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL,AIR,AIRCRAFT GAS TURBINE EN TITLE COMPONENT PN 4037628 MFR SEAL,AIR,AIRCRAFT GAS
KEY FEATURES
•
DIAMETER: 15.558 INCHES MINIMUM AND 15.561 INCHES MAXIMUM IN
•
ENGINE SECTION LOCATION: TURBINE
TECHNICAL CHARACTERISTICS
DIAMETER15.558 INCHES MINIMUM AND 15.561 INCHES MAXIMUM IN
ENGINE SECTION LOCATIONTURBINE
END ITEM IDENTIFICATIONENGINE,ACFT,MODEL F100PW100
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 4037628?
4037628 is a SEAL,AIR,AIRCRAFT GAS TURBINE EN.
What is the NSN for 4037628?
4037628 is cataloged in the U.S. Government catalog under NSN 2840-00-343-8475. 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.