PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55323Cooler,fluid,industrial

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4420-01-521-0033 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-521-0033 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-521-0033. Primary manufacturer part number: 55323.
Features
  • Cooler,fluid,industrial — FSC 4420
  • Style Designator: UPRIGHT STRAIGHT FINNED TYPE
  • Thickness: 5.450 INCHES NOMINAL IN
  • Heat Transfer Method: INDIRECT
  • Material: ALUMINUM ALLOY PLATES
  • Length: 17.000 INCHES NOMINAL IN
  • Tubing Outside Diameter: 0.375 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
  • Height: 13.500 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy Plates construction
General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-521-0033, 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 Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-521-0033
Primary Part Number55323
Item NameCooler,fluid,industrial
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Style DesignatorUPRIGHT STRAIGHT FINNED TYPE
Thickness5.450 INCHES NOMINAL IN
Heat Transfer MethodINDIRECT
MaterialALUMINUM ALLOY PLATES
Length17.000 INCHES NOMINAL IN
Tubing Outside Diameter0.375 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
Height13.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3655-00-054-7815 INTERCHANGEABLE
Shaft and Bearing Assembly
5305-00-448-151855323 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5940-01-681-847755323-9 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
55323 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
3655-00-054-7815INTERCHANGEABLE
SHAFT AND BEARING ASSEMBLY
5305-00-448-1518INTERCHANGEABLE
SCREW,MACHINE
55323
5940-01-681-8477INTERCHANGEABLE
TERMINAL,LUG
55323-9

Frequently Asked Questions

What is NSN 4420-01-521-0033?

NSN 4420-01-521-0033 is a Cooler,fluid,industrial, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-521-0033?

NSN 4420-01-521-0033 has 1 cross-referenced part number: 55323 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4420-01-521-0033?

There are 3 known substitutes for 4420-01-521-0033: 3655-00-054-7815, 5305-00-448-1518, 5940-01-681-8477. Verify interchangeability with system specifications before substitution.

What are the specifications of 55323?

Key specifications for 55323: Style Designator: UPRIGHT STRAIGHT FINNED TYPE; Part Name Assigned by Controlling Agency: HEAT EXCHANGER; Thickness: 5.450 INCHES NOMINAL IN; Heat Transfer Method: INDIRECT. 9 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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