The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-287-3175, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-00-287-3175 |
| Primary Part Number | S1947-1026P3 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Attachment Method | SETSCREW |
| Diameter | 2.500 INCHES NOMINAL IN |
| Blade Shape | FORWARD CURVE |
| Blade Quantity | 28 |
| Width | 1.468 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| S1947-1026P3 | Raytheon Company (USA) |
| S1947-1026P3 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| AA216-115-1 | 5/1 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
| S1947-1026P3 | 5/9 Secondary reference Raytheon Company Div Corp |
| AA216-115-1CWSTL/CAD 0.25BORE | 5/9 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
NSN 4140-00-287-3175 is a Impeller,fan,centrifugal, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-287-3175 has 2 manufacturer part numbers on file: S1947-1026P3 (Raytheon Company), S1947-1026P3 (Raytheon Company Dba Raytheon Co).
Key specifications for S1947-1026P3: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: SETSCREW; Diameter: 2.500 INCHES NOMINAL IN; Blade Shape: FORWARD CURVE. 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.
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.