The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-434-9607, 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 Greenheck Fan Corporation Dba Greenheck Fan Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 4140-01-434-9607 |
| Primary Part Number | 810051 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Greenheck Fan Corporation Dba Greenheck Fan Corp |
| 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 |
|---|---|
| 810051 PRIMARY | Greenheck Fan Corporation Dba Greenheck Fan Corp (USA) |
NSN 4140-01-434-9607 is a Impeller,fan,centrifugal, manufactured by Greenheck Fan Corporation Dba Greenheck Fan Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-434-9607 has 1 manufacturer part number on file: 810051 (Greenheck Fan Corporation Dba Greenheck Fan Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-653-9608, 5340-01-653-9613. Verify interchangeability with system specifications before substitution.
Key specifications for 810051: End Item Identification: 4140-01-434-9381. 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.