The Fan,circulating, cataloged under National Stock Number 4140-00-679-7538, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-00-679-7538 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 440.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 3.562 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Style Designator | FIXED |
| Surface Treatment | ANODIZE HOUSING |
| Surface Treatment | ANODIZE BLADE |
| Material | ALUMINUM ALLOY BLADE |
| Material | ALUMINUM ALLOY HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 95.0 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 |
|---|---|
| 100-K-32 | 3/9 Design control — primary reference Aeroflex Laboratories Inc Rotating Components Div |
NSN 4140-00-679-7538 is a Fan,circulating, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-679-7538: Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 440.0. 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.