The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-350-0181, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is The Dewey Electronics Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4140-00-350-0181 |
| Primary Part Number | 40340-6 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | The Dewey Electronics Corporation |
| Status | CANCELLED |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Material | ALUMINUM ALLOY OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Attachment Method | SETSCREW |
| Blade Quantity | 24 |
| Diameter | 3.000 INCHES NOMINAL IN |
| Width | 2.187 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S1158 | Zero Corp Mclean Engineering Div (USA) |
| 40340-6 PRIMARY | The Dewey Electronics Corporation (USA) |
| M1965 | Zero Corp Mclean Engineering Div (USA) |
| 300-128 | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA) |
| 401035 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| AA-300-128-1CCW | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA) |
NSN 4140-00-350-0181 is a Impeller,fan,centrifugal, manufactured by The Dewey Electronics Corporation, classified under FSC 4140 (No Item Name Available). Status: cancelled.
NSN 4140-00-350-0181 has 6 cross-referenced part numbers: S1158 (Zero Corp Mclean Engineering Div), 40340-6 (The Dewey Electronics Corporation), M1965 (Zero Corp Mclean Engineering Div), 300-128 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division), 401035 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.
There are 12 known substitutes for 4140-00-350-0181: 4140-00-020-6953, 6240-00-155-8719, 4140-00-176-4369 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40340-6: Style Designator: CURVED BLADES SINGLE WIDTH; Material: ALUMINUM ALLOY OVERALL; Rotation Direction for Which Designed: COUNTERCLOCKWISE; Special Features: CCW IMPELLER ROTATION. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 4140-00-350-0181 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.