The Fan,tubeaxial, cataloged under National Stock Number 4140-01-421-3698, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-421-3698 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Length | 2.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 6.750 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Operating Speed at Rated Capacity in RPM | 2850.0 AND 3350.0 |
| Material | ALUMINUM HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 200.0 CUBIC FEET PER MINUTE NOMINAL AND 235.0 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 |
| Reference | Meaning |
|---|---|
| 028943 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 028943 | 5/2 Secondary reference U.S. Government activity |
| PT2B3QDL | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-421-3698 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-421-3698: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0; Length: 2.000 INCHES NOMINAL IN. 15 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.