Core Assembly, Fluid Cooler4420-01-437-5586

NSN 4420-01-437-5586 · NIIN 014375586 · Part number 20-18101

Northern Lights Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 8L945

Government record, cited

NSN 4420-01-437-5586 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-437-5586. Manufacturer of record part number: 20-18101.

Also searched as 4420-01-437-5586 · 4420014375586 · NIIN 014375586 · 01-437-5586 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 8L945 · 20-18101

Nearby stock numbers ← 4420-01-437-4236 Cooler, Fluid, Industrial · 4420-01-437-8807 Bonnet, Fluid Cooler, Industrial →

Features

Core Assembly,fluid Cooler — FSC 4420
1 manufacturer part number on file
Manufacturer of record: Northern Lights Inc

Identification

NSN: 4420-01-437-5586
NIIN: 014375586
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: 20-18101
Manufacturer: Northern Lights Inc

General Description

The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-437-5586, 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 Northern Lights Inc. 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 Name	Core Assembly,fluid Cooler
FSC / FSG	4420 — Heat Exchangers and Steam Condensers (FSG 44)
Manufacturers	Northern Lights Inc (CAGE 8L945)

Technical Specifications

Parameter	Value
NSN	4420-01-437-5586
Primary Part Number	20-18101
Item Name	Core Assembly,fluid Cooler
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer	Northern Lights Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
20-18101 PRIMARY	Northern Lights Inc (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 4420-01-437-5586?

NSN 4420-01-437-5586 is a Core Assembly,fluid Cooler, manufactured by Northern Lights Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-437-5586?

NSN 4420-01-437-5586 has 1 manufacturer part number on file: 20-18101 (Northern Lights Inc).

Is NSN 4420-01-437-5586 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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