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4041591 — SEAL,AIR,AIRCRAFT GAS TURBINE EN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4041591: SEAL,AIR,AIRCRAFT GAS TURBINE EN.

SEAL,AIR,AIRCRAFT GAS TURBINE EN. Key specifications include diameter: 16.310 INCHES MINIMUM AND 16.330 INCHES MAXIMUM IN, material: NICKEL ALLOY OVERALL, end_item_identification: ACFT ENG F-100. This part is cataloged in the U.S.

Government catalog under NSN 2840-00-377-3311, 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
4041591
NSN: 2840-00-377-3311
NIINs: 003773311, 010619035
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
diameter16.310 INCHES MINIMUM AND 16.330 INCHES MAXIMUM IN
materialNICKEL ALLOY OVERALL
end_item_identificationACFT ENG F-100
NSN2840-00-377-3311
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL,AIR,AIRCRAFT GAS TURBINE EN TITLE COMPONENT PN 4041591 MFR SEAL,AIR,AIRCRAFT GAS
KEY FEATURES
•
DIAMETER: 16.310 INCHES MINIMUM AND 16.330 INCHES MAXIMUM IN
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
DIAMETER16.310 INCHES MINIMUM AND 16.330 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONACFT ENG F-100
MATERIALNICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 4041591?
4041591 is a SEAL,AIR,AIRCRAFT GAS TURBINE EN.
What is the NSN for 4041591?
4041591 is cataloged in the U.S. Government catalog under NSN 2840-00-377-3311. 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.