The Fan,centrifugal, cataloged under National Stock Number 4140-01-262-4256, 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 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-262-4256 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 UNTHREADED HOLE(S) |
| Frequency in Hertz | 50.0 AND 60.0 |
| Outlet Inside Height | 1.880 INCHES NOMINAL IN |
| Length | 4.620 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Outlet Inside Width | 2.500 INCHES NOMINAL IN |
| Width | 9.500 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 362-019064-001 | 3/9 Design control — primary reference Bae Systems Information and Electronic Systems Integration I |
| 362-019064-001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4140-01-262-4256 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-262-4256: Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S); Frequency in Hertz: 50.0 AND 60.0; Outlet Inside Height: 1.880 INCHES NOMINAL IN; Length: 4.620 INCHES NOMINAL IN. 10 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.
NSN 4140-01-262-4256 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.