PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D2647Core Assembly,fluid Cooler

Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp · NSN 4420-01-323-1813 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-323-1813 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-323-1813. Primary manufacturer part number: D2647.
Features
  • Core Assembly,fluid Cooler — FSC 4420
  • Material: COPPER ALLOY 715 TUBES
  • Effective Heat Transfer Surface Area: 123.6 SQUARE FEET
  • Heat Transfer Method: INDIRECT
  • Core Diameter: 12.000 INCHES NOMINAL IN
  • Material Document and Classification: ASTM B359-715 ASSN STD SINGLE MATERIAL RESPONSE TUBES
  • Tube Quantity: 32
  • Material Document and Classification: ASTM B402-715 ASSN STD SINGLE MATERIAL RESPONSE TUBE SHEET
Applications
  • Applications requiring Copper Alloy 715 Tubes construction
General Description

The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-323-1813, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-323-1813
Primary Part NumberD2647
Item NameCore Assembly,fluid Cooler
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerXchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp
StatusACTIVE
MaterialCOPPER ALLOY 715 TUBES
Effective Heat Transfer Surface Area123.6 SQUARE FEET
Heat Transfer MethodINDIRECT
Core Diameter12.000 INCHES NOMINAL IN
Material Document and ClassificationASTM B359-715 ASSN STD SINGLE MATERIAL RESPONSE TUBES
Tube Quantity32
Material Document and ClassificationASTM B402-715 ASSN STD SINGLE MATERIAL RESPONSE TUBE SHEET
Core Length81.250 INCHES MINIMUM AND 81.374 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 715 TUBE SHEET
Style DesignatorPLAIN "U" TUBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4810-00-080-2881 INTERCHANGEABLE
Holder,disk
3020-01-445-4364D2647 INTERCHANGEABLE
Sprocket Wheel
Insinger Machine Co
Cross-Reference Index
Part NumberManufacturer
D2647 PRIMARY Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp (USA)
D2641 FIND 2 Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp (USA)
Related Parts
4810-00-080-2881INTERCHANGEABLE
HOLDER,DISK
3020-01-445-4364INTERCHANGEABLE
SPROCKET WHEEL
D2647

Frequently Asked Questions

What is NSN 4420-01-323-1813?

NSN 4420-01-323-1813 is a Core Assembly,fluid Cooler, manufactured by Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-323-1813?

NSN 4420-01-323-1813 has 2 cross-referenced part numbers: D2647 (Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp), D2641 FIND 2 (Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp).

What NSN replaces 4420-01-323-1813?

There are 2 known substitutes for 4420-01-323-1813: 4810-00-080-2881, 3020-01-445-4364. Verify interchangeability with system specifications before substitution.

What are the specifications of D2647?

Key specifications for D2647: Material: COPPER ALLOY 715 TUBES; Effective Heat Transfer Surface Area: 123.6 SQUARE FEET; Heat Transfer Method: INDIRECT; Core Diameter: 12.000 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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