NSN 1650-01-379-1645 · NIIN 013791645 · Part number UA538973-3
Triumph Thermal Systems, Llc · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 78943
Government record, cited
NSN 1650-01-379-1645 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-379-1645. Manufacturer of record part number: UA538973-3.
Also searched as1650-01-379-1645 ·
1650013791645 ·
NIIN 013791645 ·
01-379-1645 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 78943 · UA538973-3
FSC Application Data: AIRCRAFT HYDRAULIC, VACUUM, DEICING SYSTEMS
1 manufacturer part number on file
Manufacturer of record: Triumph Thermal Systems, Llc
Identification
NSN: 1650-01-379-1645
NIIN: 013791645
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: UA538973-3
Manufacturer: Triumph Thermal Systems, Llc
General Description
The Cooler,hydraulic Oil,aircraft, cataloged under National Stock Number 1650-01-379-1645, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) 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
1650-01-379-1645
Primary Part Number
UA538973-3
Item Name
Cooler,hydraulic Oil,aircraft
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-000-0127
1650-00-000-0127 · Item name not on file
1650-00-000-0128
1650-00-000-0128 · Item name not on file
1650-00-000-0130
1650-00-000-0130 · Item name not on file
1650-00-000-0131
ROD,PISTON,LINEAR ACTUATING CYLI
1650-00-000-0151
SWIVEL JOINT HYDRAU
1650-00-000-0152
SWIVEL JOINT,HYDRAULIC,AIRCRAFT
1650-00-001-1732
SPACER YOKE,ADJUST
1650-00-001-1734
1650-00-001-1734 · Item name not on file
Frequently Asked Questions
What is NSN 1650-01-379-1645?
NSN 1650-01-379-1645 is a Cooler,hydraulic Oil,aircraft, manufactured by Triumph Thermal Systems, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-379-1645?
NSN 1650-01-379-1645 has 1 manufacturer part number on file: UA538973-3 (Triumph Thermal Systems, Llc).
What are the specifications of UA538973-3?
Key specifications for UA538973-3: FSC Application Data: AIRCRAFT HYDRAULIC, VACUUM, DEICING SYSTEMS; End Item Identification: PACER SPECIAL. 1 specification is documented in the U.S. Government catalog.
Is NSN 1650-01-379-1645 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 1650-01-379-1645?
NSN 1650-01-379-1645 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.