Heat Exchanger, Air to Water, Airc1660-01-418-0685
NSN 1660-01-418-0685 · NIIN 014180685 · Part number 2340652-3-1
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 1660-01-418-0685 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-418-0685. Manufacturer of record part number: 2340652-3-1.
Also searched as1660-01-418-0685 ·
1660014180685 ·
NIIN 014180685 ·
01-418-0685 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 70210 · 2340652-3-1
Nearby stock numbers← 1660-01-417-8161 Sleeve, Aircraft
·
1660-01-418-0686 Heat Exchanger, Air to Water, Airc →
Features
Heat Exchanger,air to Water,airc — FSC 1660
Criticality Code Justification: AGAV
1 manufacturer part number on file
Manufacturer of record: Honeywell International Inc. Div Aerospace - Torrance
Identification
NSN: 1660-01-418-0685
NIIN: 014180685
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 2340652-3-1
Manufacturer: Honeywell International Inc. Div Aerospace - Torrance
General Description
The Heat Exchanger,air to Water,airc, cataloged under National Stock Number 1660-01-418-0685, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
1660-01-418-0685
Primary Part Number
2340652-3-1
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
Honeywell International Inc. Div Aerospace - Torrance (USA)
No interchangeability data on file.
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-001-1693
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT
Frequently Asked Questions
What is NSN 1660-01-418-0685?
NSN 1660-01-418-0685 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 1660-01-418-0685?
NSN 1660-01-418-0685 has 1 manufacturer part number on file: 2340652-3-1 (Honeywell International Inc. Div Aerospace - Torrance).
What are the specifications of 2340652-3-1?
Key specifications for 2340652-3-1: Criticality Code Justification: AGAV; End Item Identification: SUPPORT OF PREPROVISIONING ITEMS WHICH ASO ACTS AS POINT OF ENTRY. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-418-0685 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 1660-01-418-0685?
NSN 1660-01-418-0685 has DEMIL Code Q. 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.