The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-01-192-5438, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Ametek Thermal Systems Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-01-192-5438 |
| Primary Part Number | 11578-000 |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Ametek Thermal Systems Inc |
| Status | ACTIVE |
| FSC Application Data | ENGINE COOLING SYSTEM COMPONENTS,AIRCRAFT |
| Length | 5.140 INCHES NOMINAL IN |
| Style Designator | OBLONG |
| Height | 5.240 INCHES NOMINAL IN |
| Width | 6.080 INCHES NOMINAL IN |
| Material | ALUMINUM HOUSING |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 1273M82 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 11578-000 | Ametek Thermal Systems Inc (USA) |
| 1273M82P01 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1273M82 | D/9 Drawing number reference only General Electric Company |
NSN 2935-01-192-5438 is a Cooler,lubricating Oil,engine, manufactured by Ametek Thermal Systems Inc, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-01-192-5438 has 2 manufacturer part numbers on file: 11578-000 (Ametek Thermal Systems Inc), 1273M82P01 (General Electric Company).
Key specifications for 11578-000: FSC Application Data: ENGINE COOLING SYSTEM COMPONENTS,AIRCRAFT; Length: 5.140 INCHES NOMINAL IN; Style Designator: OBLONG; Height: 5.240 INCHES NOMINAL IN. 7 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 2935-01-192-5438 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.