PartsTable TECHNICAL DATA SHEET
NSN 4420-01-681-8238Government record, cited

Heat Exchanger, Fluid to Air4420-01-681-8238

NSN 4420-01-681-8238 · NIIN 016818238 · Part number 03852-1
Exergy, Llc Dba Exergy Llc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 0NEZ1
Government record, cited
NSN 4420-01-681-8238 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-681-8238. Manufacturer of record part number: 03852-1.
Also searched as  4420-01-681-8238 · 4420016818238 · NIIN 016818238 · 01-681-8238 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 0NEZ1 · 03852-1
Nearby stock numbers  ·
Features
  • Heat Exchanger,fluid to Air — FSC 4420
  • 1 manufacturer part number on file
  • Manufacturer of record: Exergy, Llc Dba Exergy Llc
Identification
  • NSN: 4420-01-681-8238
  • NIIN: 016818238
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: 03852-1
  • Manufacturer: Exergy, Llc Dba Exergy Llc
General Description

The Heat Exchanger,fluid to Air, cataloged under National Stock Number 4420-01-681-8238, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Exergy, Llc Dba Exergy Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameHeat Exchanger,fluid to Air
FSC / FSG4420 — Heat Exchangers and Steam Condensers (FSG 44)
ManufacturersExergy, Llc Dba Exergy Llc (CAGE 0NEZ1)
Technical Specifications
ParameterValue
NSN4420-01-681-8238
Primary Part Number03852-1
Item NameHeat Exchanger,fluid to Air
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerExergy, Llc Dba Exergy Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
03852-1 PRIMARY Exergy, Llc Dba Exergy Llc (USA)
No interchangeability data on file.
Other items in FSC 4420 — Heat Exchangers and Steam Condensers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4420-00-003-2812
CORE ASSEMBLY,FLUID HEATER,INDUS
4420-00-004-1071
4420-00-004-1071 · Item name not on file
4420-00-004-1072
4420-00-004-1072 · Item name not on file
4420-00-004-1073
4420-00-004-1073 · Item name not on file
4420-00-004-1074
4420-00-004-1074 · Item name not on file
4420-00-004-3860
COOLER,FLUID,INDUSTRIAL
4420-00-004-5260
4420-00-004-5260 · Item name not on file
4420-00-005-2335
PURGE ORIFICE ASSEMBLY

Frequently Asked Questions

What is NSN 4420-01-681-8238?

NSN 4420-01-681-8238 is a Heat Exchanger,fluid to Air, manufactured by Exergy, Llc Dba Exergy Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-681-8238?

NSN 4420-01-681-8238 has 1 manufacturer part number on file: 03852-1 (Exergy, Llc Dba Exergy Llc).

Is NSN 4420-01-681-8238 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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