The Guard,fan Impeller, cataloged under National Stock Number 4140-01-108-9084, 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 U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-108-9084 |
| Primary Part Number | 12307464 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
|---|---|
| 12307464 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 12307464 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12307464 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12307464 | 5/2 Secondary reference U.S. Government activity |
| 10085962 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4140-01-108-9084 is a Guard,fan Impeller, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-108-9084 has 3 manufacturer part numbers on file: 12307464 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 12307464 (U S Army Tank Automotive Command Amsta-Im-Mm), 12307464 (Amz Alabama Inc.).
Key specifications for 12307464: Special Features: GUARD,ENGINE COOLING FAN ASSEMBLY,PER LIST OF PARTS REQUIRED FOR BY DWG NO.12307464,CAGE 19207;; End Item Identification: FOR M/2 IFV,M/3 CFV. 0 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.