Heat Exchanger, Air to Water, Airc1660-01-394-0635

NSN 1660-01-394-0635 · NIIN 013940635 · Part number 8589-6

Honeywell International Inc. Div Aerospace - Torrance · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 70210

Government record, cited

NSN 1660-01-394-0635 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-394-0635. Manufacturer of record part number: 8589-6.

Also searched as 1660-01-394-0635 · 1660013940635 · NIIN 013940635 · 01-394-0635 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 70210 · 8589-6

Nearby stock numbers ← 1660-01-394-0538 Duct Assembly, Air Conditioning-H · 1660-01-394-2481 Turbine, Aircraft Cooling →

Features

Heat Exchanger,air to Water,airc — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Honeywell International Inc. Div Aerospace - Torrance

Identification

NSN: 1660-01-394-0635
NIIN: 013940635
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 8589-6
Manufacturer: Honeywell International Inc. Div Aerospace - Torrance

General Description

The Heat Exchanger,air to Water,airc, cataloged under National Stock Number 1660-01-394-0635, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. 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	Heat Exchanger,air to Water,airc
FSC / FSG	1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers	Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210)

Technical Specifications

Parameter	Value
NSN	1660-01-394-0635
Primary Part Number	8589-6
Item Name	Heat Exchanger,air to Water,airc
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Honeywell International Inc. Div Aerospace - Torrance
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
8589-6 PRIMARY	Honeywell International Inc. Div Aerospace - Torrance (USA)

Frequently Asked Questions

What is NSN 1660-01-394-0635?

NSN 1660-01-394-0635 is a Heat Exchanger,air to Water,airc, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-394-0635?

NSN 1660-01-394-0635 has 1 manufacturer part number on file: 8589-6 (Honeywell International Inc. Div Aerospace - Torrance).

Is NSN 1660-01-394-0635 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.

What is the DEMIL code for NSN 1660-01-394-0635?

NSN 1660-01-394-0635 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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