The Fan,ventilating, cataloged under National Stock Number 4140-01-037-4723, 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 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-037-4723 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Quantity | 1 |
| Style Designator | FIXED |
| Height | 4.126 INCHES NOMINAL IN |
| Width | 4.685 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 4-75781 | 3/1 Design control — primary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
NSN 4140-01-037-4723 is a Fan,ventilating, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-037-4723: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0; Inclosure Type: PARTIALLY INCLOSED. 13 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.