The Fan,ventilating, cataloged under National Stock Number 4140-01-549-7481, 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 Rheinmetall Air Defence Ag. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-549-7481 |
| Primary Part Number | Q 5 3182 8187 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rheinmetall Air Defence Ag |
| Status | ACTIVE |
| Frequency in Hertz | 400.0 |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Diameter | 171.4 MILLIMETERS NOMINAL MM |
| Material | ALUMINUM HOUSING |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 263.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| Q 5 3182 8187 | Rheinmetall Air Defence Ag (CHE) |
| Reference | Meaning |
|---|---|
| 034695000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-549-7481 is a Fan,ventilating, manufactured by Rheinmetall Air Defence Ag, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-549-7481 has 1 manufacturer part number on file: Q 5 3182 8187 (Rheinmetall Air Defence Ag).
Key specifications for Q 5 3182 8187: Frequency in Hertz: 400.0; Voltage in Volts and Current Type: 115.0 AC; Drive Type: DIRECT; Diameter: 171.4 MILLIMETERS NOMINAL MM. 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.