The Fan,centrifugal, cataloged under National Stock Number 4140-00-765-4594, 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 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-765-4594 |
| Primary Part Number | 23-803334-1 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| Status | ACTIVE |
| Phase | SINGLE |
| Voltage in Volts and Current Type | 120.0 AC |
| Drive Type | DIRECT |
| Quantity | 1 |
| Ambient Temp at Full Rated Power | 4.4 CELSIUS AND 51.7 CELSIUS DEGC |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3000.0 |
| Surface Treatment | ANODIZE HOUSING INSIDE |
| Surface Treatment | ANODIZE HOUSING OUTSIDE |
| Material | ALUMINUM BLADE |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| 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 |
|---|---|
| 23-803334-1 PRIMARY | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA) |
| 23-803334-1 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| M2EB412AR30 | 5/9 Secondary reference Zero Corp Mclean Engineering Div |
| HD-677/FLR-9(V) | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-765-4594 is a Fan,centrifugal, manufactured by General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-765-4594 has 2 manufacturer part numbers on file: 23-803334-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), 23-803334-1 (General Dynamics Mission Systems, Inc.).
Key specifications for 23-803334-1: Phase: SINGLE; Voltage in Volts and Current Type: 120.0 AC; Drive Type: DIRECT; Quantity: 1. 14 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.