The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-01-689-9899, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2935-01-689-9899 |
| Primary Part Number | UA541940-5 |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Triumph Thermal Systems, Llc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| UA541940-5 PRIMARY | Triumph Thermal Systems, Llc (USA) |
| 4326565 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| UA5419040-5 | 5/9 Secondary reference Triumph Thermal Systems, Llc |
NSN 2935-01-689-9899 is a Cooler,lubricating Oil,engine, manufactured by Triumph Thermal Systems, Llc, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-01-689-9899 has 2 manufacturer part numbers on file: UA541940-5 (Triumph Thermal Systems, Llc), 4326565 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for UA541940-5: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: COOLER OIL; End Item Identification: F119-ENGINE F-22 RAPTOR. 1 specification is 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 2935-01-689-9899 has DEMIL Code D. 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.