Core Assembly, Fluid Heater, Indus4420-01-612-7889

NSN 4420-01-612-7889 · NIIN 016127889 · Part number 5340A25

Tx Technology Llc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 56183

Government record, cited

NSN 4420-01-612-7889 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-612-7889. Manufacturer of record part number: 5340A25.

Also searched as 4420-01-612-7889 · 4420016127889 · NIIN 016127889 · 01-612-7889 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 56183 · 5340A25

Nearby stock numbers ← 4420-01-612-6864 Cooler, Fluid, Industrial · 4420-01-613-0777 Modification Kit, Heat Exchangers →

Features

Core Assembly,fluid Heater,indus — FSC 4420
1 manufacturer part number on file
Manufacturer of record: Tx Technology Llc

Identification

NSN: 4420-01-612-7889
NIIN: 016127889
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: 5340A25
Manufacturer: Tx Technology Llc

General Description

The Core Assembly,fluid Heater,indus, cataloged under National Stock Number 4420-01-612-7889, 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 Tx Technology 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.

Technical Specifications

Parameter	Value
NSN	4420-01-612-7889
Primary Part Number	5340A25
Item Name	Core Assembly,fluid Heater,indus
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer	Tx Technology Llc
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	X

Cross-Reference Index

Part Number	Manufacturer
5340A25 PRIMARY	Tx Technology 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 4420-01-612-7889?

NSN 4420-01-612-7889 is a Core Assembly,fluid Heater,indus, manufactured by Tx Technology Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-612-7889?

NSN 4420-01-612-7889 has 1 manufacturer part number on file: 5340A25 (Tx Technology Llc).

What are the specifications of 5340A25?

Key specifications for 5340A25: Part Name Assigned by Controlling Agency: HEAT EXCHANGER; End Item Identification: MISSILE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-612-7889 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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