The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-01-112-2980, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 — Engine System Cooling Components, Aircraft Prime Moving (FSG 29) |
| Manufacturers | Triumph Thermal Systems, Llc (CAGE 78943); The Boeing Company (CAGE 77272) |
| Parameter | Value |
|---|---|
| NSN | 2935-01-112-2980 |
| Primary Part Number | UA537602-2 |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Triumph Thermal Systems, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| UA537602-2 | Triumph Thermal Systems, Llc (USA) |
| 145DS517-5 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 145DS517-5/7 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 2935-01-112-2980 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 2935-01-112-2980 has 2 manufacturer part numbers on file: UA537602-2 (Triumph Thermal Systems, Llc), 145DS517-5 (The Boeing Company).
2 possible matches (shared part number, not a government interchangeability claim): 2935-01-323-5243, 2935-01-325-7024. Verify interchangeability with system specifications before substitution.
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 2935-01-112-2980 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.