The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-147-2164, 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 5 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-147-2164 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Attachment Method | SETSCREW |
| Diameter | 10.000 INCHES NOMINAL IN |
| Width | 5.063 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 13222E9997 | 3/9 Design control — primary reference U.S. Government activity |
| 13222E9997 | 5/9 Secondary reference Gallagher Corp Div Gallagher Corporation |
| 13222E9997 | 3/2 Design control — primary reference U.S. Government activity |
| 13222E9997 | 5/9 Secondary reference Humidaire Co., Inc. |
| 13222E9997 | 5/9 Secondary reference Mga Engineering Corp |
| 13222E9997 | 5/9 Secondary reference Western Sky Industries Inc Dba Electromech Techologies |
| 13222E9997 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 13222E9997 | 7/2 Vendor item drawing reference U.S. Government activity |
| LE-1000-500-1 | 5/9 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
NSN 4140-01-147-2164 is a Impeller,fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-147-2164: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: SETSCREW; Diameter: 10.000 INCHES NOMINAL IN; Width: 5.063 INCHES NOMINAL IN. 5 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.