The Fan,centrifugal, cataloged under National Stock Number 4140-01-568-3203, 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 Rotron Incorporated. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-568-3203 |
| Primary Part Number | 1952-20 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.166 HORSEPOWER |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | 104.0 FAHRENHEIT DEGF |
| Discharge Direction | HORIZONTAL AND VERTICAL UP |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1075.0 |
| Surface Treatment | PAINT OVERALL |
| Environmental Protection | DRIPPROOF |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | SLEEVE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 992.0 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1952-20 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-01-568-3203 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-568-3203 has 1 manufacturer part number on file: 1952-20 (Rotron Incorporated).
Key specifications for 1952-20: Outlet Location: BOTTOM OR TOP; Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0. 21 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.
NSN 4140-01-568-3203 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.