The Cooler Assy,oil, cataloged under National Stock Number 2935-00-067-3493, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cooler Assy,oil |
| FSC / FSG | 2935 — Engine System Cooling Components, Aircraft Prime Moving (FSG 29) |
| Manufacturers | Irl Thermal Systems Ltd (CAGE U1841); Allison Transmission Inc Dba Allison Transmission, Inc (CAGE 73342); Rolls-Royce Airlines (CAGE K0680) |
| Parameter | Value |
|---|---|
| NSN | 2935-00-067-3493 |
| Primary Part Number | 6860503 |
| Item Name | Cooler Assy,oil |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
NSN 2935-00-067-3493 is a Cooler Assy,oil, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-067-3493 has 4 manufacturer part numbers on file: 92440 (Irl Thermal Systems Ltd), 6860503 (Allison Transmission Inc Dba Allison Transmission, Inc), L961901 (Rolls-Royce Airlines), 6860503 (Rolls-Royce Airlines).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-015-8006. 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 2935-00-067-3493 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.