The Fan,circulating, cataloged under National Stock Number 4140-01-262-3970, 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 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Fan,circulating |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-262-3970 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Speed Adjustments | TWO SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 |
| Inclosure Type | FULLY INCLOSED |
| Voltage in Volts and Current Type | 220.0 AC |
| Flow Direction | OUTWARD |
| Drive Type | DIRECT |
| Shortest Height | 54.000 INCHES NOMINAL IN |
| Style Designator | PORTABLE ADJUSTABLE |
| Features Provided | SAFETY IMPELLER GUARD |
| Nondefinitive Spec/std Data | II TYPE |
| Extended Height | 84.000 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | CORD W/ATTACHED PLUG |
| 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 |
|---|---|
| W-F-97 | 4/1 Identification reference U.S. Government activity |
NSN 4140-01-262-3970 is a Fan,circulating, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-262-3970: Speed Adjustments: TWO SPEED; Phase: SINGLE; Frequency in Hertz: 50.0; Inclosure Type: FULLY INCLOSED. 14 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.