Heat Exchange Unit4520-01-488-9833

NSN 4520-01-488-9833 · NIIN 014889833 · Part number ISC-975

Ferrara Enterprises · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 8Y520

Government record, cited

NSN 4520-01-488-9833 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-488-9833. Manufacturer of record part number: ISC-975.

Also searched as 4520-01-488-9833 · 4520014889833 · NIIN 014889833 · 01-488-9833 · FSC 4520 Space and Water Heating Equipment · CAGE 8Y520 · ISC-975

Nearby stock numbers ← 4520-01-488-7013 Heating Element, Electrical, Immer · 4520-01-488-9834 Coil, Heat →

Features

Heat Exchange Unit — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Ferrara Enterprises

Identification

NSN: 4520-01-488-9833
NIIN: 014889833
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: ISC-975
Manufacturer: Ferrara Enterprises

General Description

The Heat Exchange Unit, cataloged under National Stock Number 4520-01-488-9833, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Ferrara Enterprises. 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	4520-01-488-9833
Primary Part Number	ISC-975
Item Name	Heat Exchange Unit
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Ferrara Enterprises
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
ISC-975 PRIMARY	Ferrara Enterprises (USA)

No interchangeability data on file.

Other items in FSC 4520 — Space and Water Heating Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4520-00-000-0098

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-000-0099

4520-00-000-0099 · Item name not on file

4520-00-001-1240

4520-00-001-1240 · Item name not on file

4520-00-001-3518

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-001-3519

HEATING ELEMENT,ELECTRICAL,IMMER

4520-00-001-6052

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-001-6298

HEATING ELEMENT,ELECTRICAL,NONIM

4520-00-001-7726

HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-01-488-9833?

NSN 4520-01-488-9833 is a Heat Exchange Unit, manufactured by Ferrara Enterprises, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-488-9833?

NSN 4520-01-488-9833 has 1 manufacturer part number on file: ISC-975 (Ferrara Enterprises).

What are the specifications of ISC-975?

Key specifications for ISC-975: Special Features: MOBILE HEAT EXCHANGE UNIT, LIQUID COOLING UNIT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-488-9833 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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