The Fan,vaneaxial, cataloged under National Stock Number 4140-01-644-1681, 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 Ametek Thermal Systems Inc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (CAGE 62228); Ametek Thermal Systems Inc (CAGE 12536) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-644-1681 |
| Primary Part Number | 80769-201 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ametek Thermal Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 48530-2 | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| 80769-201 PRIMARY | Ametek Thermal Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 48530-2 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 2CTV00252-0004 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-644-1681 is a Fan,vaneaxial, manufactured by Ametek Thermal Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-644-1681 has 2 manufacturer part numbers on file: 48530-2 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), 80769-201 (Ametek Thermal Systems Inc).
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.