NSN 1650-01-114-2178 · NIIN 011142178 · Part number 145HS203-1
The Boeing Company · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 77272
Government record, cited
NSN 1650-01-114-2178 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-114-2178. Manufacturer of record part number: 145HS203-1.
Also searched as1650-01-114-2178 ·
1650011142178 ·
NIIN 011142178 ·
01-114-2178 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 77272 · 145HS203-1 · 1711018-100
Nearby stock numbers← 1650-01-114-2177 Power Transfer Unit
·
1650-01-114-2179 End Cover, Hydraulic →
Features
Cooler,hydraulic Oil,aircraft — FSC 1650
1 manufacturer part number on file
Manufacturer of record: The Boeing Company
Identification
NSN: 1650-01-114-2178
NIIN: 011142178
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 145HS203-1
Manufacturer: The Boeing Company
General Description
The Cooler,hydraulic Oil,aircraft, cataloged under National Stock Number 1650-01-114-2178, 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 The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
1650-01-114-2178
Primary Part Number
145HS203-1
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.
1650-00-011-0886
1650-00-011-0886 · Item name not on file
1650-00-013-3761
SLIDE,SELECTOR
1650-00-059-7742
PARTS KIT,SEAL REPLACEMENT,MECHA
1650-00-101-7836
CLIP,RETURN PLATE
1650-00-138-2779
FILTERING DISK,FLUID
1650-00-162-3907
PARTS KIT,LINEAR ACTUATING CYLIN
1650-00-594-3500
DISK,VALVE
1650-00-658-8056
PARTS KIT,VALVE
Frequently Asked Questions
What is NSN 1650-01-114-2178?
NSN 1650-01-114-2178 is a Cooler,hydraulic Oil,aircraft, manufactured by The Boeing Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-114-2178?
NSN 1650-01-114-2178 has 1 manufacturer part number on file: 145HS203-1 (The Boeing Company).
What are the specifications of 145HS203-1?
Key specifications for 145HS203-1: End Item Identification: CH-47 CHINOOK HELICOPTER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-114-2178 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 1650-01-114-2178?
NSN 1650-01-114-2178 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.