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F-251 ITEM 9 — Technical Data Sheet

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— · 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: ALUMINUM ALLOY AND COPPER OVERALL, core_width: 17.375 INCHES NOMINAL IN, core_length: 78.000 INCHES NOMINAL IN, tube_quantity: 281, style_designator: STRAIGHT FINNED TUBE, RECTANGULAR, material_thickness: 0.049 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4420-01-188-8732, 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
F-251 ITEM 9
NSN: 4420-01-188-8732
FSC: 4420
CAGE: 45890 — HARSCO CORPORATION DBA PATTERSON-KELLEY DIVISION DIV HARSCO INDUSTRIAL PATTERSON KELLEY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND COPPER OVERALL
core_width17.375 INCHES NOMINAL IN
core_length78.000 INCHES NOMINAL IN
tube_quantity281
style_designatorSTRAIGHT FINNED TUBE, RECTANGULAR
material_thickness0.049 INCHES NOMINAL IN
heat_transfer_methodDIRECT
tubing_outside_diameter0.750 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
NSN4420-01-188-8732
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CORE ASSEMBLY,FLUID COOLER TITLE COMPONENT PN F-251 ITEM 9 MFR CORE ASSEMBLY,FLUID CO
KEY FEATURES
•
CORE LENGTH: 78.000 INCHES NOMINAL IN
•
CORE WIDTH: 17.375 INCHES NOMINAL IN
•
TUBE QUANTITY: 281
•
TUBING OUTSIDE DIAMETER: 0.750 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
•
HEAT TRANSFER METHOD: DIRECT
•
MATERIAL: ALUMINUM ALLOY AND COPPER OVERALL
•
STYLE DESIGNATOR: STRAIGHT FINNED TUBE, RECTANGULAR
•
MATERIAL THICKNESS: 0.049 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORE LENGTH78.000 INCHES NOMINAL IN
CORE WIDTH17.375 INCHES NOMINAL IN
TUBE QUANTITY281
TUBING OUTSIDE DIAMETER0.750 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
HEAT TRANSFER METHODDIRECT
MATERIALALUMINUM ALLOY AND COPPER OVERALL
STYLE DESIGNATORSTRAIGHT FINNED TUBE, RECTANGULAR
MATERIAL THICKNESS0.049 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
E25InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
EMM307InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F25-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A202-7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
352824-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS35810-14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F-251 ITEM 9?
F-251 ITEM 9 is a CORE ASSEMBLY,FLUID COOLER.
What parts can replace F-251 ITEM 9?
There are 6 known substitutes for F-251 ITEM 9: E25, EMM307, F25-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-251 ITEM 9?
F-251 ITEM 9 is cataloged in the Federal Logistics Information System under NSN 4420-01-188-8732. 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: October 2026