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PartsTable / COMPONENT / HE1125-301
HE1125-301 ✓ 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

The CORE ASSEMBLY,FLUID COOLER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY TUBES, core_width: 11.813 INCHES NOMINAL IN, core_height: 20.063 INCHES NOMINAL IN, core_length: 14.500 INCHES NOMINAL IN, tube_quantity: 330, tube_attachment_method: BRAZED BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-00-360-2074, 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
HE1125-301
NSN: 4420-00-360-2074
FSC: 4420
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY TUBES
core_width11.813 INCHES NOMINAL IN
core_height20.063 INCHES NOMINAL IN
core_length14.500 INCHES NOMINAL IN
tube_quantity330
tube_attachment_methodBRAZED BOTH ENDS
effective_heat_transfer_surface_area93.1 SQUARE FEET
material_document_and_classificationMIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES
NSN4420-00-360-2074
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CORE ASSEMBLY,FLUID COOLER TITLE COMPONENT PN HE1125-301 MFR CORE ASSEMBLY,FLUID CO
KEY FEATURES
•
CORE HEIGHT: 20.063 INCHES NOMINAL IN
•
CORE WIDTH: 11.813 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY TUBES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES
•
TUBE QUANTITY: 330
•
TUBE ATTACHMENT METHOD: BRAZED BOTH ENDS
•
EFFECTIVE HEAT TRANSFER SURFACE AREA: 93.1 SQUARE FEET
•
CORE LENGTH: 14.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CORE HEIGHT20.063 INCHES NOMINAL IN
CORE WIDTH11.813 INCHES NOMINAL IN
MATERIALCOPPER ALLOY TUBES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES
TUBE QUANTITY330
TUBE ATTACHMENT METHODBRAZED BOTH ENDS
EFFECTIVE HEAT TRANSFER SURFACE AREA93.1 SQUARE FEET
CORE LENGTH14.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
845-1889503PC12Interchangeable
interchangeable cross-reference
interchangeable
B82884BPC12 3-4INInterchangeable
interchangeable cross-reference
interchangeable
B-82884-B 12 3/ 4INInterchangeable
interchangeable cross-reference
interchangeable
SL251-4Interchangeable
interchangeable cross-reference
interchangeable
AA347-2Interchangeable
interchangeable cross-reference
interchangeable
A347-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HE1125-301?
HE1125-301 is a CORE ASSEMBLY,FLUID COOLER.
What parts can replace HE1125-301?
There are 8 known substitutes for HE1125-301: 845-1889503PC12, B82884BPC12 3-4IN, B-82884-B 12 3/ 4IN and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HE1125-301?
HE1125-301 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-00-360-2074. 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