The Impeller,fan,axial, cataloged under National Stock Number 4140-00-485-6958, 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 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-485-6958 |
| Primary Part Number | A23759-1 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
| Status | ACTIVE |
| Style Designator | ROUNDED TIP |
| Attachment Method | SETSCREW |
| Diameter | 7.000 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Hub Location | FRONT |
| Material | ALUMINUM ALLOY BLADE |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| A23759-1 PRIMARY | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA) |
| Reference | Meaning |
|---|---|
| C39032 | 5/9 Secondary reference Doucette Industries, Inc. |
| 13211E4737 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 202335 | 5/9 Secondary reference Brookside Corp |
| OUH-7-5CW-SPL-HOF | 5/1 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
| C39032 | 5/9 Secondary reference Therm-Air Mfg Co Inc |
| 13211E4737 | 5/9 Secondary reference U.S. Government activity |
| A23759-1HUB5685 | 5/9 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
| 13211E4737 | 7/2 Vendor item drawing reference U.S. Government activity |
| 13211E4737 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-485-6958 is a Impeller,fan,axial, manufactured by Regal-Beloit Corporation Dba Fasco Group Div Cassville Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-485-6958 has 1 manufacturer part number on file: A23759-1 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division).
3 possible matches (shared part number, not a government interchangeability claim): 5905-00-764-2499, 6620-01-114-0802, 3460-01-595-0506. Verify interchangeability with system specifications before substitution.
Key specifications for A23759-1: Style Designator: ROUNDED TIP; Attachment Method: SETSCREW; Diameter: 7.000 INCHES NOMINAL IN; Blade Quantity: 5. 7 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.