The Fan,centrifugal, cataloged under National Stock Number 4140-01-100-0743, 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 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-100-0743 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Phase | THREE |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 208.0 AC |
| Drive Type | DIRECT |
| Quantity | 2 |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Discharge Direction | HORIZONTAL |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3500.0 |
| Surface Treatment | CADMIUM AND DICHROMATE BLADE |
| Surface Treatment | ENAMEL AND CHROMATE ZINC HOUSING |
| Width | 9.430 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 375.0 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 |
|---|---|
| B38M43D-8 | 3/9 Design control — primary reference Eastern Air Devices Inc Dba Ead Motors |
| 7903085-03 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4140-01-100-0743 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-100-0743: Phase: THREE; Inclosure Type: PARTIALLY INCLOSED; Voltage in Volts and Current Type: 208.0 AC; Drive Type: DIRECT. 16 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.