The Fan,centrifugal, cataloged under National Stock Number 4140-01-538-3763, 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 Rs Components Limited. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-538-3763 |
| Primary Part Number | 313-3793 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rs Components Limited |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.140 INCHES NOMINAL IN |
| Length | 4.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 15.2 WATTS |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -10.0 CELSIUS AND 70.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Outlet Inside Width | 0.950 INCHES NOMINAL IN |
| Height | 4.130 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 2500.0 |
| Width | 1.600 INCHES MAXIMUM IN |
| Material | PLASTIC OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 20.0 CUBIC FEET PER MINUTE MINIMUM AND 22.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| 313-3793 | Rs Components Limited (GBR) |
| Reference | Meaning |
|---|---|
| BT2B1 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 028454 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-538-3763 is a Fan,centrifugal, manufactured by Rs Components Limited, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-538-3763 has 1 manufacturer part number on file: 313-3793 (Rs Components Limited).
Key specifications for 313-3793: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 25 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.