Heat Exchanger, Air to Air, Aircra1660-01-458-1659
NSN 1660-01-458-1659 · NIIN 014581659 · Part number UA541059-4
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 1660-01-458-1659 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-458-1659. Manufacturer of record part number: UA541059-4.
Also searched as1660-01-458-1659 ·
1660014581659 ·
NIIN 014581659 ·
01-458-1659 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 78943 · UA541059-4 · 17B7N9003-1
Nearby stock numbers← 1660-01-458-0203 Duct Assembly, Air Conditioning-H
·
1660-01-458-4180 Control Box, Electrical-Electroni →
Features
Heat Exchanger,air to Air,aircra — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Triumph Thermal Systems, Llc
Identification
NSN: 1660-01-458-1659
NIIN: 014581659
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: UA541059-4
Manufacturer: Triumph Thermal Systems, Llc
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-458-1659, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-458-1659
Primary Part Number
UA541059-4
Item Name
Heat Exchanger,air to Air,aircra
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.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-458-1659?
NSN 1660-01-458-1659 is a Heat Exchanger,air to Air,aircra, 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 1660-01-458-1659?
NSN 1660-01-458-1659 has 1 manufacturer part number on file: UA541059-4 (Triumph Thermal Systems, Llc).
What are the specifications of UA541059-4?
Key specifications for UA541059-4: End Item Identification: C-17 GLOBE MASTER III. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-458-1659 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 1660-01-458-1659?
NSN 1660-01-458-1659 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.