The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-362-4167, 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 Rotron Incorporated. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-362-4167 |
| Primary Part Number | 520851 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Diameter | 4.778 INCHES MINIMUM AND 4.782 INCHES MAXIMUM IN |
| Blade Quantity | 9 |
| Attachment Method | BOLT HOLE AND KEYWAY |
| Rotation Direction for Which Designed | CLOCKWISE |
| Mounting Hole Quantity | 1 |
| Material | STEEL OVERALL |
| Mounting Hole Diameter | 0.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 520851 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-01-362-4167 is a Impeller,fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-362-4167 has 1 cross-referenced part number: 520851 (Rotron Incorporated).
There are 4 known substitutes for 4140-01-362-4167: 2640-00-052-0851, 1660-00-485-3289, 4720-01-230-3650 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 520851: Diameter: 4.778 INCHES MINIMUM AND 4.782 INCHES MAXIMUM IN; Blade Quantity: 9; Attachment Method: BOLT HOLE AND KEYWAY; Rotation Direction for Which Designed: CLOCKWISE. 8 total characteristics are documented in the Federal Logistics Information System.