The Piston,oil Cooler V, cataloged under National Stock Number 2935-00-983-4397, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston,oil Cooler V |
| FSC / FSG | 2935 — Engine System Cooling Components, Aircraft Prime Moving (FSG 29) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); A B a Industries Inc (CAGE 26795); Jet Industries, Inc. Dba Jet Industries Inc (CAGE 59593) |
| Parameter | Value |
|---|---|
| NSN | 2935-00-983-4397 |
| Primary Part Number | 563331 |
| Item Name | Piston,oil Cooler V |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 563331 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 563331 | A B a Industries Inc (USA) |
| 563331 | Jet Industries, Inc. Dba Jet Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 563331 | 5/2 Secondary reference U.S. Government activity |
| 563331 | 5/9 Secondary reference Barnes Group Inc. Div Windsor Division |
| 563331 | 5/9 Secondary reference National Aerospace Corp |
| 563331 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2935-00-983-4397 is a Piston,oil Cooler V, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-983-4397 has 3 manufacturer part numbers on file: 563331 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 563331 (A B a Industries Inc), 563331 (Jet Industries, Inc. Dba Jet Industries Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.