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PartsTable / COMPONENT / 544679
544679 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CASE,DIFFUSER,AIRCRAFT GAS TURBI. Key specifications include special_features: FOR DIFFUSER, end_item_identification: TF-33 AIRCRAFT ENGINE, criticality_code_justification: FEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2840-00-117-4891, 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
544679
NSN: 2840-00-117-4891
FSC: 2840
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresFOR DIFFUSER
end_item_identificationTF-33 AIRCRAFT ENGINE
criticality_code_justificationFEAT
NSN2840-00-117-4891
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CASE,DIFFUSER,AIRCRAFT GAS TURBI TITLE COMPONENT PN 544679 MFR CASE,DIFFUSER,AIRCRAFT
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONTF-33 AIRCRAFT ENGINE
SPECIAL FEATURESFOR DIFFUSER
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1-926133-001Interchangeable
interchangeable cross-reference
interchangeable
084-1Interchangeable
interchangeable cross-reference
interchangeable
586-559Interchangeable
interchangeable cross-reference
interchangeable
X17-2-1993-2 (5-4-4679)Interchangeable
interchangeable cross-reference
interchangeable
5-4-4679Interchangeable
interchangeable cross-reference
interchangeable
72B409026-2023Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 544679?
544679 is a CASE,DIFFUSER,AIRCRAFT GAS TURBI.
What parts can replace 544679?
There are 8 known substitutes for 544679: 1-926133-001, 084-1, 586-559 and 5 more. Substitute compatibility should be verified for your specific system.
Is 544679 still available?
544679 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026