Cooler, Fluid, Industrial4420-01-290-5043

NSN 4420-01-290-5043 · NIIN 012905043 · Part number 504043

Boyd Corporation (woburn) Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 11245

Government record, cited

NSN 4420-01-290-5043 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-290-5043. Manufacturer of record part number: 504043.

Also searched as 4420-01-290-5043 · 4420012905043 · NIIN 012905043 · 01-290-5043 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 11245 · 504043

Nearby stock numbers ← 4420-01-290-5042 Cooler, Fluid, Industrial · 4420-01-290-5317 Cooler, Fluid, Industrial →

Features

Cooler,fluid,industrial — FSC 4420
1 manufacturer part number on file
Manufacturer of record: Boyd Corporation (woburn) Inc

Identification

NSN: 4420-01-290-5043
NIIN: 012905043
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: 504043
Manufacturer: Boyd Corporation (woburn) Inc

General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-290-5043, 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 Boyd Corporation (woburn) Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Cooler,fluid,industrial
FSC / FSG	4420 — Heat Exchangers and Steam Condensers (FSG 44)
Manufacturers	Boyd Corporation (woburn) Inc (CAGE 11245)

Technical Specifications

Parameter	Value
NSN	4420-01-290-5043
Primary Part Number	504043
Item Name	Cooler,fluid,industrial
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer	Boyd Corporation (woburn) 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)
Criticality Code	Y

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

6150-01-575-3931504043 POSSIBLE MATCH

CABLE ASSEMBLY,POWER,ELECTRICAL,

Possible match (shared part number)Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic

Cross-Reference Index

Part Number	Manufacturer
504043 PRIMARY	Boyd Corporation (woburn) Inc (USA)

Related Parts

6150-01-575-3931POSSIBLE MATCH

CABLE ASSEMBLY,POWER,ELECTRICAL,

504043

Frequently Asked Questions

What is NSN 4420-01-290-5043?

NSN 4420-01-290-5043 is a Cooler,fluid,industrial, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-290-5043?

NSN 4420-01-290-5043 has 1 manufacturer part number on file: 504043 (Boyd Corporation (woburn) Inc).

What NSN replaces 4420-01-290-5043?

1 possible match (shared part number, not a government interchangeability claim): 6150-01-575-3931. Verify interchangeability with system specifications before substitution.

Is NSN 4420-01-290-5043 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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