The Impeller,fan,axial, cataloged under National Stock Number 4140-01-341-9075, 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 Aerovent Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-341-9075 |
| Primary Part Number | 16S728 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Aerovent Inc |
| Status | ACTIVE |
| Criticality Code Justification | AJLB |
| Diameter | 20.000 INCHES NOMINAL IN |
| Blade Quantity | 7 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 26-035-525 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 1016-00-D ITEM 5 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 16S728 PRIMARY | Aerovent Inc (USA) |
| Reference | Meaning |
|---|---|
| 2090K259 | C/1 Advisory reference — outside the item-of-supply concept Mcmaster-Carr Supply Co |
| 16S278 | 5/9 Secondary reference Aerovent Fan Co Inc |
NSN 4140-01-341-9075 is a Impeller,fan,axial, manufactured by Aerovent Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-341-9075 has 3 manufacturer part numbers on file: 26-035-525 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 1016-00-D ITEM 5 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 16S728 (Aerovent Inc).
Key specifications for 16S728: Criticality Code Justification: AJLB; Diameter: 20.000 INCHES NOMINAL IN; Blade Quantity: 7; Special Features: BORE 5/8, RPM 1750, HP 1 RPM. 3 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.