Heat Exchanger, Fluid to Fluid, Ai1660-01-660-6788
NSN 1660-01-660-6788 · NIIN 016606788 · Part number 1663M79P03
General Electric Company · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 07482
Government record, cited
NSN 1660-01-660-6788 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-660-6788. Manufacturer of record part number: 1663M79P03.
Also searched as1660-01-660-6788 ·
1660016606788 ·
NIIN 016606788 ·
01-660-6788 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 07482 · 1663M79P03
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 1663M79P03
Manufacturer: General Electric Company
General Description
The Heat Exchanger,fluid to Fluid,ai, cataloged under National Stock Number 1660-01-660-6788, 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 General Electric Company. 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
1660-01-660-6788
Primary Part Number
1663M79P03
Item Name
Heat Exchanger,fluid to Fluid,ai
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
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 1660-01-660-6788?
NSN 1660-01-660-6788 is a Heat Exchanger,fluid to Fluid,ai, manufactured by General Electric Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-660-6788?
NSN 1660-01-660-6788 has 1 manufacturer part number on file: 1663M79P03 (General Electric Company).
What are the specifications of 1663M79P03?
Key specifications for 1663M79P03: Part Name Assigned by Controlling Agency: HEAT EXCHANGER, FLUID TO FLUID, AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-660-6788 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.