The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-516-2939, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Ebm Industries Inc Dba Ebm Papst. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-516-2939 |
| Primary Part Number | R2E175-AC79-22 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ebm Industries Inc Dba Ebm Papst |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Outlet Inside Diameter | 1.060 INCHES NOMINAL IN |
| Attachment Method | BOLT HOLE |
| Mounting Hole Diameter | 4.5 MILLIMETERS NOMINAL MM |
| Ambient Temp at Full Rated Power | 40.0 CELSIUS DEGC |
| Height | 6.890 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 2.280 INCHES NOMINAL IN |
| Width | 1.850 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 991101 ITEM 1 | Gps Technologies Inc Federal Systems Group (USA) |
| R2E175-AC79-22 PRIMARY | Ebm Industries Inc Dba Ebm Papst (USA) |
NSN 4140-01-516-2939 is a Impeller,fan,centrifugal, manufactured by Ebm Industries Inc Dba Ebm Papst, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-516-2939 has 2 manufacturer part numbers on file: 991101 ITEM 1 (Gps Technologies Inc Federal Systems Group), R2E175-AC79-22 (Ebm Industries Inc Dba Ebm Papst).
Key specifications for R2E175-AC79-22: Mounting Hole Quantity: 4; Outlet Inside Diameter: 1.060 INCHES NOMINAL IN; Attachment Method: BOLT HOLE; Mounting Hole Diameter: 4.5 MILLIMETERS NOMINAL MM. 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.
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.