The Fan,vaneaxial, cataloged under National Stock Number 4140-01-317-6441, 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 The Boeing Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-317-6441 |
| Primary Part Number | 145HS202-4 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 145HS202-4 | The Boeing Company (USA) |
| 145HS202-6 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 41330-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 145HS202-4/-6 | 1/2 Source control — Government-approved source U.S. Government activity |
| 723092A | 3/2 Design control — primary reference U.S. Government activity |
| 41330-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
NSN 4140-01-317-6441 is a Fan,vaneaxial, manufactured by The Boeing Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-317-6441 has 2 manufacturer part numbers on file: 145HS202-4 (The Boeing Company), 145HS202-6 (The Boeing Company).
Key specifications for 145HS202-4: End Item Identification: CH-47D HELICOPTER,CARGO-TR; Material: ALUMINUM ALLOY OVERALL; Rotation Direction for Which Designed: COUNTERCLOCKWISE. 2 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.