The Impeller,fan,axial, cataloged under National Stock Number 4140-01-646-1756, 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 Copeland Lp Dba Copeland Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-646-1756 |
| Primary Part Number | 083-0103-03 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Copeland Lp Dba Copeland Co |
| Status | ACTIVE |
| Ambient Temp at Full Rated Power | 90.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| RWFB46 | Cospolich Inc. (USA) |
| 083-0103-03 PRIMARY | Copeland Lp Dba Copeland Co (USA) |
| Reference | Meaning |
|---|---|
| 083-0103-02 | 5/9 Secondary reference Copeland Lp Dba Copeland Co |
NSN 4140-01-646-1756 is a Impeller,fan,axial, manufactured by Copeland Lp Dba Copeland Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-646-1756 has 2 manufacturer part numbers on file: RWFB46 (Cospolich Inc.), 083-0103-03 (Copeland Lp Dba Copeland Co).
Key specifications for 083-0103-03: Ambient Temp at Full Rated Power: 90.0 FAHRENHEIT DEGF; Special Features: THE OEM IS EMERSON P/N 083-0103-02; Part Name Assigned by Controlling Agency: CONDENSER FAN BLADE; End Item Identification: CONDENSING UNIT. 1 specification is 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.