The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-00-185-1398, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Hayden Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-00-185-1398 |
| Primary Part Number | 002955 |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Hayden Inc |
| Status | ACTIVE |
| Heat Transfer Method | DIRECT |
| Length | 15.000 INCHES NOMINAL IN |
| Style Designator | UPRIGHT STRAIGHT FINNED TYPE |
| Height | 12.000 INCHES NOMINAL IN |
| Material | ALUMINUM AND COPPER OVERALL |
| Thickness | 2.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| 002955 PRIMARY | Hayden Inc (USA) |
| Reference | Meaning |
|---|---|
| 10615-S102 | 5/9 Secondary reference Hayden Inc |
| 67A230B30 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 7709-0732 | 5/2 Secondary reference U.S. Government activity |
NSN 2935-00-185-1398 is a Cooler,lubricating Oil,engine, manufactured by Hayden Inc, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-185-1398 has 1 manufacturer part number on file: 002955 (Hayden Inc).
Key specifications for 002955: Heat Transfer Method: DIRECT; Length: 15.000 INCHES NOMINAL IN; Style Designator: UPRIGHT STRAIGHT FINNED TYPE; Height: 12.000 INCHES NOMINAL IN. 6 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 2935-00-185-1398 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.