The Fan,centrifugal, cataloged under National Stock Number 4140-01-693-4304, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Rotron Incorporated (CAGE 57487); Raytheon Company (CAGE 15090) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-693-4304 |
| Primary Part Number | 8734282 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 2320001 | Rotron Incorporated (USA) |
| 8734282 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 8734282/SHEET 1 SEE SOS | D/9 Drawing number reference only Naval Sea Systems Command |
| 8734282 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4140-01-693-4304 is a Fan,centrifugal, manufactured by Raytheon Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-693-4304 has 2 manufacturer part numbers on file: 2320001 (Rotron Incorporated), 8734282 (Raytheon Company).
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.