PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24565Core Assembly,fluid Cooler

American Cooling Systems Llc · NSN 4420-01-290-9119 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-290-9119 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-290-9119. Primary manufacturer part number: 24565.
Features
  • Core Assembly,fluid Cooler — FSC 4420
  • 4 verified cross-references
  • Primary manufacturer: American Cooling Systems Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-290-9119, 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 American Cooling Systems Llc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCore Assembly,fluid Cooler
FSC / FSG4420 — No Item Name Available (FSG 44)
ManufacturersUlstein Bergen A/s (CAGE N0379); Rolls-Royce Marine North America Inc (CAGE 1TNS3); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); American Cooling Systems Llc (CAGE 503P9)
Technical Specifications
ParameterValue
NSN4420-01-290-9119
Primary Part Number24565
Item NameCore Assembly,fluid Cooler
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAmerican Cooling Systems Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5325-00-803-7305 INTERCHANGEABLE
Ring,retaining
5950-00-810-2854SMD345200 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2835-00-962-262424565-1 INTERCHANGEABLE
Blading Set,turbine
Solar Turbines Incorporated Dba Solar Turbines Incorporated
3455-00-995-190911720 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5945-01-292-823924565 INTERCHANGEABLE
Relay,solid State
Kurz & Root Generator Company, Llc
5305-01-509-308124565 INTERCHANGEABLE
Screw,machine
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
24565 Ulstein Bergen A/s (NOR)
24565 Rolls-Royce Marine North America Inc (USA)
24565 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
24565 PRIMARY American Cooling Systems Llc (USA)
Related Parts
5325-00-803-7305INTERCHANGEABLE
RING,RETAINING
5950-00-810-2854INTERCHANGEABLE
TRANSFORMER,POWER
SMD345200
2835-00-962-2624INTERCHANGEABLE
BLADING SET,TURBINE
24565-1
3455-00-995-1909INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11720
5945-01-292-8239INTERCHANGEABLE
RELAY,SOLID STATE
24565
5305-01-509-3081INTERCHANGEABLE
SCREW,MACHINE
24565

Frequently Asked Questions

What is NSN 4420-01-290-9119?

NSN 4420-01-290-9119 is a Core Assembly,fluid Cooler, manufactured by American Cooling Systems Llc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-290-9119?

NSN 4420-01-290-9119 has 4 cross-referenced part numbers: 24565 (Ulstein Bergen A/s), 24565 (Rolls-Royce Marine North America Inc), 24565 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 24565 (American Cooling Systems Llc).

What NSN replaces 4420-01-290-9119?

There are 6 known substitutes for 4420-01-290-9119: 5325-00-803-7305, 5950-00-810-2854, 2835-00-962-2624 and 3 more. Verify interchangeability with system specifications before substitution.

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