The Liner,oil Cooler Valve, cataloged under National Stock Number 2935-00-983-4394, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-00-983-4394 |
| Primary Part Number | 563323 |
| Item Name | Liner,oil Cooler Valve |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,AMS 5616,COMP 615; 3.360 IN. MIN AND 3.380 IN. MAX LG; MTG FLANGE 1.537 IN. SQ; FOUR MTG HOLES IN FLANGE 0.276 IN. MIN AND 0.286 IN. MAX DIA; FOUR HOLES PERPENDICULAR TO AXIS; 0.249 IN. MIN AND 0.251 IN. MAX DIA HOLE THROUGH AXIS; BOTH ENDS COUNTERBORED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 563323 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 563323 | 5/9 Secondary reference U.S. Government activity |
| 563323 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 563323 | 5/9 Secondary reference Empire Manufacturing Corp. Div Empire Mfg. Corporation |
NSN 2935-00-983-4394 is a Liner,oil Cooler Valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-983-4394 has 1 manufacturer part number on file: 563323 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 563323: General Characteristics Item Description: CRES,AMS 5616,COMP 615; 3.360 IN. MIN AND 3.380 IN. MAX LG; MTG FLANGE 1.537 IN. SQ; FOUR MTG HOLES IN FLANGE 0.276 IN. MIN AND 0.286 IN. MAX DIA; FOUR HOLES PERPENDICULAR TO AXIS; 0.249 IN. MIN AND 0.251 IN. MAX DIA HOLE THROUGH AXIS; BOTH ENDS COUNTERBORED IN. 1 specification is 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.
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.