The Fan,vaneaxial, cataloged under National Stock Number 4140-01-491-5069, 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 Hansome Energy Systems Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-491-5069 |
| Primary Part Number | 2650-3335 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Drive Type | DIRECT |
| Material | ALUMINUM ALLOY BLADE |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 2650-3335 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 2650-3335-GR1 | 5/9 Secondary reference U.S. Government activity |
| 2650-3335-GR1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1165AB43DA(S4) | 5/9 Secondary reference U.S. Government activity |
| 19-87-1900 | 5/9 Secondary reference U.S. Government activity |
| 1165AB43DA(S4) | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-491-5069 is a Fan,vaneaxial, manufactured by Hansome Energy Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-491-5069 has 1 manufacturer part number on file: 2650-3335 (Hansome Energy Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4130-01-725-7126, 5340-01-725-7146, 3040-01-725-7488. Verify interchangeability with system specifications before substitution.
Key specifications for 2650-3335: Drive Type: DIRECT; Material: ALUMINUM ALLOY BLADE; Rotation Direction for Which Designed: CLOCKWISE. 3 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.