Heat Exchanger, Fluid to Fluid, Ai1660-01-588-3256
NSN 1660-01-588-3256 · NIIN 015883256 · Part number UA538950-8
Triumph Thermal Systems, Llc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 78943
Government record, cited
NSN 1660-01-588-3256 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-588-3256. Manufacturer of record part number: UA538950-8.
Also searched as1660-01-588-3256 ·
1660015883256 ·
NIIN 015883256 ·
01-588-3256 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 78943 · UA538950-8
Nearby stock numbers← 1660-01-588-2360 Duct Assembly, Air Conditioning-H
·
1660-01-588-3608 Duct Assembly, Air Conditioning-H →
Features
Heat Exchanger,fluid to Fluid,ai — FSC 1660
Material: ALUMINUM AND STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Triumph Thermal Systems, Llc
Identification
NSN: 1660-01-588-3256
NIIN: 015883256
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: UA538950-8
Manufacturer: Triumph Thermal Systems, Llc
General Description
The Heat Exchanger,fluid to Fluid,ai, cataloged under National Stock Number 1660-01-588-3256, 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 Triumph Thermal Systems, Llc. 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
1660-01-588-3256
Primary Part Number
UA538950-8
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 1660-01-588-3256?
NSN 1660-01-588-3256 is a Heat Exchanger,fluid to Fluid,ai, manufactured by Triumph Thermal Systems, Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-588-3256?
NSN 1660-01-588-3256 has 1 manufacturer part number on file: UA538950-8 (Triumph Thermal Systems, Llc).
What are the specifications of UA538950-8?
Key specifications for UA538950-8: Overall Height: 5.600 INCHES NOMINAL IN; Overall Length: 8.000 INCHES NOMINAL IN; Special Features: WEIGHT 9 LBS, FUEL HEATER GOES ON A CF6-80 ENGINE LBS; Part Name Assigned by Controlling Agency: FUEL HEATER. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-588-3256 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.