Cooler, Fluid, Industrial4420-01-688-1976

NSN 4420-01-688-1976 · NIIN 016881976 · Part number AAC-145-4XT-E-RFEMI

Mendenhall Technical Services, Inc. · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 0MMF3

Government record, cited

NSN 4420-01-688-1976 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-688-1976. Manufacturer of record part number: AAC-145-4XT-E-RFEMI.

Also searched as 4420-01-688-1976 · 4420016881976 · NIIN 016881976 · 01-688-1976 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 0MMF3 · AAC-145-4XT-E-RFEMI

Nearby stock numbers ← 4420-01-687-8692 Cooler, Fluid, Industrial · 4420-01-688-3261 Heater, Fluid, Industrial →

Features

Cooler,fluid,industrial — FSC 4420
1 manufacturer part number on file
Manufacturer of record: Mendenhall Technical Services, Inc.

Identification

NSN: 4420-01-688-1976
NIIN: 016881976
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
Primary part number: AAC-145-4XT-E-RFEMI
Manufacturer: Mendenhall Technical Services, Inc.

General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-688-1976, 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 Mendenhall Technical Services, 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	Cooler,fluid,industrial
FSC / FSG	4420 — Heat Exchangers and Steam Condensers (FSG 44)
Manufacturers	Mendenhall Technical Services, Inc. (CAGE 0MMF3)

Technical Specifications

Parameter	Value
NSN	4420-01-688-1976
Primary Part Number	AAC-145-4XT-E-RFEMI
Item Name	Cooler,fluid,industrial
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer	Mendenhall Technical Services, 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	X

Cross-Reference Index

Part Number	Manufacturer
AAC-145-4XT-E-RFEMI PRIMARY	Mendenhall Technical Services, 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 4420-01-688-1976?

NSN 4420-01-688-1976 is a Cooler,fluid,industrial, manufactured by Mendenhall Technical Services, Inc., classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-688-1976?

NSN 4420-01-688-1976 has 1 manufacturer part number on file: AAC-145-4XT-E-RFEMI (Mendenhall Technical Services, Inc.).

Is NSN 4420-01-688-1976 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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