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Technical Data Sheet
PartsTable / COMPONENT / 3N4003
3N4003 ✓ 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

CORE ASSEMBLY,FLUID HEATER,INDUS. Key specifications include part_name_assigned_by_controlling_agency: VANE ASSEMBLY,STATOR,TURBINE ENGINE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-01-208-9411, 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
3N4003
NSN: 4420-01-208-9411
FSC: 4420
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyVANE ASSEMBLY,STATOR,TURBINE ENGINE
NSN4420-01-208-9411
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CORE ASSEMBLY,FLUID HEATER,INDUS TITLE COMPONENT PN 3N4003 MFR CORE ASSEMBLY,FLUID HE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5BA40DB72F8Interchangeable
interchangeable cross-reference
interchangeable
711572Interchangeable
interchangeable cross-reference
interchangeable
11572F8Interchangeable
interchangeable cross-reference
interchangeable
611572Interchangeable
interchangeable cross-reference
interchangeable
61157Interchangeable
interchangeable cross-reference
interchangeable
3N8890 ITEM 11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3N4003?
3N4003 is a CORE ASSEMBLY,FLUID HEATER,INDUS.
What parts can replace 3N4003?
There are 6 known substitutes for 3N4003: 5BA40DB72F8, 711572, 11572F8 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3N4003?
3N4003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-01-208-9411. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026