The Fan,ventilating, cataloged under National Stock Number 4140-01-672-0017, 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 Group, the. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-672-0017 |
| Primary Part Number | AER-20 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Greenheck Fan Corporation Dba Greenheck Group, the |
| Status | ACTIVE |
| Length | 10.25 INCHES MINIMUM AND 19.25 INCHES MAXIMUM IN |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 20.50 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.5 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED |
| Height | 26.00 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Surface Treatment | ZINC HOUSING |
| Width | 26.0 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 7071.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| AER-20 PRIMARY | Greenheck Fan Corporation Dba Greenheck Group, the (USA) |
NSN 4140-01-672-0017 is a Fan,ventilating, manufactured by Greenheck Fan Corporation Dba Greenheck Group, the, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-672-0017 has 1 manufacturer part number on file: AER-20 (Greenheck Fan Corporation Dba Greenheck Group, the).
Key specifications for AER-20: Length: 10.25 INCHES MINIMUM AND 19.25 INCHES MAXIMUM IN; Flow Direction: OUTWARD; Housing Inside Diameter: 20.50 INCHES NOMINAL IN; Drive Type: DIRECT. 16 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.