The Fan,centrifugal, cataloged under National Stock Number 4140-01-303-5057, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-303-5057 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 3.000 HORSEPOWER |
| Operating Speed at Rated Capacity in RPM | 3600.0 |
| Surface Treatment | PAINT OVERALL |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1100.0 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 |
| Reference | Meaning |
|---|---|
| 55-30063 | 5/9 Secondary reference U.S. Government activity |
| 55-30052 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| 55-30052 | 3/9 Design control — primary reference U.S. Government activity |
| 55-30063 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
NSN 4140-01-303-5057 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-303-5057: Drive Type: DIRECT; Prime Mover Power Rating: 3.000 HORSEPOWER; Operating Speed at Rated Capacity in RPM: 3600.0; Special Features: INCLUDES 1 IN. DIA SHAFT WITH KEYWAY AND KEY FOR WHEEL HUB AND 0.25 BY 0.125 KEYWAY WITH KEY ON DRIVE END IN. 9 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.