The Fan,centrifugal, cataloged under National Stock Number 4140-00-338-8770, 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 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-338-8770 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Ambient Temp at Full Rated Power | -0.0 CELSIUS AND -70.0 CELSIUS DEGC |
| Discharge Direction | VERTICAL DOWN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3350.0 |
| Environmental Protection | MOISTURE RESISTANT AND SHOCK PROOF AND SPRAY TIGHT AND VIBRATION PROOF |
| Material | ALUMINUM ALLOY BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| 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 |
|---|---|
| 7901654-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-00-338-8770 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-338-8770: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S); Phase: THREE; Frequency in Hertz: 400.0. 17 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.