The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-00-540-8254, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-00-540-8254 |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR ASSY,GAS TURBINE,AIRCRAFT |
| Core Frontal Area | 16.900 SQUARE INCHES |
| Length | 11.810 INCHES NOMINAL IN |
| Effective Heat Transfer Surface Area | 12.8 SQUARE FEET |
| Oil Flow Rate | 28.000 POUNDS PER MINUTE LBS |
| Height | 7.570 INCHES NOMINAL IN |
| Width | 4.630 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 87520 | 3/2 Design control — primary reference U.S. Government activity |
| 87520 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 87520 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
NSN 2935-00-540-8254 is a Cooler,lubricating Oil,engine, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 2930-00-608-6308, 5935-01-166-2871, 3615-01-189-0216. Verify interchangeability with system specifications before substitution.
Key specifications for 2935-00-540-8254: FSC Application Data: COMPRESSOR ASSY,GAS TURBINE,AIRCRAFT; Core Frontal Area: 16.900 SQUARE INCHES; Length: 11.810 INCHES NOMINAL IN; Effective Heat Transfer Surface Area: 12.8 SQUARE FEET. 8 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 2935-00-540-8254 has DEMIL Code B. 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.