The Cooler,hydraulic Oil,aircraft, cataloged under National Stock Number 1650-01-374-8034, 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 Northrop Grumman Systems Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-374-8034 |
| Primary Part Number | 525-10349-1 |
| Item Name | Cooler,hydraulic Oil,aircraft |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS |
| Core Shape | RECTANGULAR |
| Temp Regulating Valve | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 525-10349-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 525-10349-501 | Northrop Grumman Systems Corporation (USA) |
NSN 1650-01-374-8034 is a Cooler,hydraulic Oil,aircraft, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-374-8034 has 2 manufacturer part numbers on file: 525-10349-1 (Northrop Grumman Systems Corporation), 525-10349-501 (Northrop Grumman Systems Corporation).
Key specifications for 525-10349-1: FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS; Core Shape: RECTANGULAR; Temp Regulating Valve: INCLUDED; Special Features: ALL DIMENSIONS IN INCHES; 6.250 LONG,6.250 HIGH,3.625 WIDE. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1650-01-374-8034 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.