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3N4363 — CORE ASSEMBLY,FLUID COOLER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3N4363: CORE ASSEMBLY,FLUID COOLER.

The CORE ASSEMBLY,FLUID COOLER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, core_width: 5.841 INCHES NOMINAL IN, core_length: 16.940 INCHES NOMINAL IN, cubic_measure: 4.000 CUBIC FEET, tube_quantity: 82, core_thickness: 6.248 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4420-01-121-0630, 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
3N4363
NSN: 4420-01-121-0630
FSC: 4420 — Heat Exchangers and Steam Condensers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
core_width5.841 INCHES NOMINAL IN
core_length16.940 INCHES NOMINAL IN
cubic_measure4.000 CUBIC FEET
tube_quantity82
core_thickness6.248 INCHES NOMINAL IN
special_featuresFOWARD END CORE ASSY USED ON CATERPILLAR D-398TA
style_designatorSTRAIGHT FINNED TUBE, RECTANGULAR
heat_transfer_methodINDIRECT
tube_attachment_methodBRAZED BOTH ENDS
tubing_outside_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN4420-01-121-0630
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CORE ASSEMBLY,FLUID COOLER TITLE COMPONENT PN 3N4363 MFR CORE ASSEMBLY,FLUID CO
KEY FEATURES
•
CORE WIDTH: 5.841 INCHES NOMINAL IN
•
HEAT TRANSFER METHOD: INDIRECT
•
STYLE DESIGNATOR: STRAIGHT FINNED TUBE, RECTANGULAR
•
TUBE QUANTITY: 82
•
TUBE ATTACHMENT METHOD: BRAZED BOTH ENDS
•
CORE LENGTH: 16.940 INCHES NOMINAL IN
•
TUBING OUTSIDE DIAMETER: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CORE WIDTH5.841 INCHES NOMINAL IN
HEAT TRANSFER METHODINDIRECT
STYLE DESIGNATORSTRAIGHT FINNED TUBE, RECTANGULAR
TUBE QUANTITY82
TUBE ATTACHMENT METHODBRAZED BOTH ENDS
CORE LENGTH16.940 INCHES NOMINAL IN
TUBING OUTSIDE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESFOWARD END CORE ASSY USED ON CATERPILLAR D-398TA
CUBIC MEASURE4.000 CUBIC FEET
CORE THICKNESS6.248 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
3-1035CReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3N4363?
3N4363 is a CORE ASSEMBLY,FLUID COOLER.
What parts can replace 3N4363?
There is 1 known substitute for 3N4363: 3-1035C. Substitute compatibility should be verified for your specific system.
What is the NSN for 3N4363?
3N4363 is cataloged in the U.S. Government catalog under NSN 4420-01-121-0630. 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.