The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-00-066-0833, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-00-066-0833 |
| Primary Part Number | 472093 |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | ENGINE COOLING SYSTEM COMPONENTS,AIRCRAFT |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 472093 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2935-00-066-0833 is a Cooler,lubricating Oil,engine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-066-0833 has 1 manufacturer part number on file: 472093 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-383-0490. Verify interchangeability with system specifications before substitution.
Key specifications for 472093: FSC Application Data: ENGINE COOLING SYSTEM COMPONENTS,AIRCRAFT; Criticality Code Justification: FEAT; Special Features: CORE ASSEMBLY,OIL COOLER; 13.000 IN. LG;3.045 IN. DIA,8 HOLES 0.286 IN DIA,10 BAFFLES; THE CRITICALITY CODE CHANGE TO F IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION. A FAILURE COULD CAUSE CATASTROPHIC OR CRITICAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT OR WEAPON SYSTEM OR AN UNCOMMANDED ENGINE SHUTDOWN THAT JEOPARDIZES SAFETY IN; End Item Identification: NHA COOLER ASSY,OIL; P/N 733058,E/I TF33-P-3,P-5,P-9. 2 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 2935-00-066-0833 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.