The Fan,centrifugal, cataloged under National Stock Number 4140-01-522-9785, 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 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-522-9785 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | CENTER |
| Inclosure Type | FULLY INCLOSED |
| Material | ALUMINUM BLADE |
| 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 |
|---|---|
| 0119300000 | 5/9 Secondary reference Rotron Incorporated |
| 0119300000 | 3/2 Design control — primary reference U.S. Government activity |
| C-011930 | 5/9 Secondary reference Rotron Incorporated |
NSN 4140-01-522-9785 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-522-9785: Outlet Location: CENTER; Inclosure Type: FULLY INCLOSED; Special Features: RADIAL WHEEL BLADE; SIMPLEX; 3.5 INCH WHEEL DIAMETER IN; Part Name Assigned by Controlling Agency: RADIAL BLADE BLOWER. 3 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.