The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-559-6034, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-559-6034 |
| Primary Part Number | 265386451 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Hansome Energy 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 | X |
| Part Number | Manufacturer |
|---|---|
| 265386451 PRIMARY | Hansome Energy Systems Inc (USA) |
| 2650-3335 (J) ITEM 5 | Hansome Energy Systems Inc (USA) |
| 2650-3335-ITEM NO-5 | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 2650-3335 ITEM 5 | 5/2 Secondary reference U.S. Government activity |
| 265386451 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-559-6034 is a Impeller,fan,centrifugal, manufactured by Hansome Energy Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-559-6034 has 3 manufacturer part numbers on file: 265386451 (Hansome Energy Systems Inc), 2650-3335 (J) ITEM 5 (Hansome Energy Systems Inc), 2650-3335-ITEM NO-5 (Hansome Energy Systems Inc).
Key specifications for 265386451: Part Name Assigned by Controlling Agency: (INAVY)IMPELLER(25 BLADE); End Item Identification: FAN VNXL VENTILATION 1165AB43DA(S4). 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.