The Fan,vaneaxial, cataloged under National Stock Number 4140-01-661-7901, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-661-7901 |
| Primary Part Number | 1200BD40LM(S4) GR2 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1200BD40LM(S4) GR2 PRIMARY | Hansome Energy Systems Inc (USA) |
| 2650-3230 GR2 | Hansome Energy Systems Inc (USA) |
| 2650-3280 ITEM 33 | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 19-87-2003B | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-661-7901 is a Fan,vaneaxial, manufactured by Hansome Energy Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-661-7901 has 3 manufacturer part numbers on file: 1200BD40LM(S4) GR2 (Hansome Energy Systems Inc), 2650-3230 GR2 (Hansome Energy Systems Inc), 2650-3280 ITEM 33 (Hansome Energy Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-699-4223. Verify interchangeability with system specifications before substitution.
Key specifications for 1200BD40LM(S4) GR2: Part Name Assigned by Controlling Agency: VANEAXIAL FAN. 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.
NSN 4140-01-661-7901 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.