The Fan,circulating, cataloged under National Stock Number 4140-01-658-9992, 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. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-658-9992 |
| Primary Part Number | SP-A110-QD |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Greenheck Fan Corporation Dba Greenheck Fan Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 CEILING CANOPY |
| Frequency in Hertz | 50.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 13.250 INCHES NOMINAL IN |
| Flow Direction | OUTWARD |
| Style Designator | FIXED |
| Height | 9.00 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 50.0 |
| Width | 10.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| SP-A110-QD PRIMARY | Greenheck Fan Corporation Dba Greenheck Fan Corp (USA) |
| SP-A110 | Greenheck Fan Corporation Dba Greenheck Fan Corp (USA) |
NSN 4140-01-658-9992 is a Fan,circulating, manufactured by Greenheck Fan Corporation Dba Greenheck Fan Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-658-9992 has 2 manufacturer part numbers on file: SP-A110-QD (Greenheck Fan Corporation Dba Greenheck Fan Corp), SP-A110 (Greenheck Fan Corporation Dba Greenheck Fan Corp).
Key specifications for SP-A110-QD: Mounting Facility Type and Quantity: 1 CEILING CANOPY; Frequency in Hertz: 50.0; Inclosure Type: FULLY INCLOSED; Length: 13.250 INCHES NOMINAL IN. 9 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.