Heat Exchanger, Air to Air, Aircra1660-01-599-7646
NSN 1660-01-599-7646 · NIIN 015997646 · Part number 814203-5
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 73030
Government record, cited
NSN 1660-01-599-7646 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-599-7646. Manufacturer of record part number: 814203-5.
Also searched as1660-01-599-7646 ·
1660015997646 ·
NIIN 015997646 ·
01-599-7646 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 73030 · 814203-5
Nearby stock numbers← 1660-01-599-7631 Heat Exchanger, Air to Air, Aircra
·
1660-01-599-9080 Obogs →
Features
Heat Exchanger,air to Air,aircra — FSC 1660
Criticality Code Justification: AGAV
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
NSN: 1660-01-599-7646
NIIN: 015997646
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 814203-5
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-599-7646, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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
1660-01-599-7646
Primary Part Number
814203-5
Item Name
Heat Exchanger,air to Air,aircra
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Hamilton Sundstrand Corporation Dba Collins Aerospace (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 1660-01-599-7646?
NSN 1660-01-599-7646 is a Heat Exchanger,air to Air,aircra, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-599-7646?
NSN 1660-01-599-7646 has 1 manufacturer part number on file: 814203-5 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What are the specifications of 814203-5?
Key specifications for 814203-5: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: HEAT EXCHANGER - PRIMARY; End Item Identification: FIGHTER AIRCRAFT-FIRST (F18 E/F). 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-599-7646 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 1660-01-599-7646?
NSN 1660-01-599-7646 has DEMIL Code D. 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.