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854121 — DISK AND HUB,COMPRESSOR,AIRCRAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

854121: DISK AND HUB,COMPRESSOR,AIRCRAFT.

DISK AND HUB,COMPRESSOR,AIRCRAFT. Key specifications include diameter: 15.000 INCHES NOMINAL IN, material: TITANIUM ALLOY OVERALL, design_type: AXIAL COMPRESSOR, overall_length: 6.500 INCHES NOMINAL IN, special_features: USED ON THE ROTOR FRONT COMPRESSOR; SUPERSEDED P/N 431001, end_item_identification: TF33-PW-3/5/9/PW-103 AIRCRAFT BINE ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 2840-01-362-8954, 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
854121
NSN: 2840-01-362-8954
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
diameter15.000 INCHES NOMINAL IN
materialTITANIUM ALLOY OVERALL
design_typeAXIAL COMPRESSOR
overall_length6.500 INCHES NOMINAL IN
special_featuresUSED ON THE ROTOR FRONT COMPRESSOR; SUPERSEDED P/N 431001
end_item_identificationTF33-PW-3/5/9/PW-103 AIRCRAFT BINE ENGINE
engine_section_locationCOMPRESSOR
reference_data_and_literatureT.O. 2J-TF33-4, FIG 5, IND 2
part_name_assigned_by_controlling_agencyORIGINAL NAME HUB,COMPRESSOR,AIRCRAFT GAS TURBINE ENGINE
NSN2840-01-362-8954
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DISK AND HUB,COMPRESSOR,AIRCRAFT TITLE COMPONENT PN 854121 MFR DISK AND HUB,COMPRESSO
KEY FEATURES
•
DESIGN TYPE: AXIAL COMPRESSOR
•
REFERENCE DATA AND LITERATURE: T.O. 2J-TF33-4, FIG 5, IND 2
•
DIAMETER: 15.000 INCHES NOMINAL IN
•
ENGINE SECTION LOCATION: COMPRESSOR
TECHNICAL CHARACTERISTICS
DESIGN TYPEAXIAL COMPRESSOR
REFERENCE DATA AND LITERATURET.O. 2J-TF33-4, FIG 5, IND 2
DIAMETER15.000 INCHES NOMINAL IN
OVERALL LENGTH6.500 INCHES NOMINAL IN
ENGINE SECTION LOCATIONCOMPRESSOR
SPECIAL FEATURESUSED ON THE ROTOR FRONT COMPRESSOR; SUPERSEDED P/N 431001
PART NAME ASSIGNED BY CONTROLLING AGENCYORIGINAL NAME HUB,COMPRESSOR,AIRCRAFT GAS TURBINE ENGINE
END ITEM IDENTIFICATIONTF33-PW-3/5/9/PW-103 AIRCRAFT BINE ENGINE
MATERIALTITANIUM 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 — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 854121?
854121 is a DISK AND HUB,COMPRESSOR,AIRCRAFT.
What is the NSN for 854121?
854121 is cataloged in the U.S. Government catalog under NSN 2840-01-362-8954. 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.