The Guard,fan Impeller, cataloged under National Stock Number 4140-00-227-8228, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 17 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 | 4140-00-227-8228 |
| Primary Part Number | 272261 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | CANCELLED |
| Body Material | STEEL |
| Shape | ROUND |
| Overall Diameter | 4.310 INCHES NOMINAL IN |
| Mounting Method | HOLE |
| Surface Treatment | ZINC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 425613-1 | Raytheon Company (USA) |
| 2132165-1 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| 5493362 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 476042 | Comair Rotron Inc Sub of Kl Industries Inc (USA) |
| 11150979 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 425613-1 | Raytheon Company Dba Raytheon Co (USA) |
| 138C497H01 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 149021 | Northrop Grumman Systems Corporation (USA) |
| 2926516 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2132165-1 E.O. 1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 476042 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 193-0019-006 | The Boeing Company Div Legacy Boeing Hb1 (USA) |
| 138C497H01 | Northrop Grumman Support Services Corp (USA) |
| 20132-2 | Rotron Incorporated (USA) |
| 425613-1 | Raytheon Company Div Corp (USA) |
| 055002 | Zf Industrieantriebe Witten Gmbh (DEU) |
| S209-5323 | Miltope Corporation (USA) |
| 20-154015 | Adage Inc (USA) |
| 65-175 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 272261 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-00-227-8228 is a Guard,fan Impeller, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: cancelled.
NSN 4140-00-227-8228 has 22 cross-referenced part numbers: 425613-1 (Raytheon Company), 2132165-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 5493362 (Zf Industrieantriebe Witten Gmbh), 476042 (Comair Rotron Inc Sub of Kl Industries Inc), 11150979 (Zf Industrieantriebe Witten Gmbh) and 17 more.
There are 12 known substitutes for 4140-00-227-8228: 1730-00-022-8923, 4520-00-203-0858, 4140-00-462-8465 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 272261: Body Material: STEEL; Shape: ROUND; Overall Diameter: 4.310 INCHES NOMINAL IN; Mounting Method: HOLE. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 4140-00-227-8228 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.