The Fan,tubeaxial, cataloged under National Stock Number 4140-01-573-8981, 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 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-573-8981 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Inclosure Type | GUARDED AND PARTIALLY INCLOSED |
| Length | 2.360 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 24.0 DC |
| Prime Mover Power Rating | 1.9 WATTS |
| Operating Speed at Rated Capacity in RPM | 4927.0 |
| Width | 0.980 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | BALL AND SLEEVE |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 18.0 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 |
|---|---|
| FS24B3 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-573-8981 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-573-8981: Speed Adjustments: SINGLE SPEED; Inclosure Type: GUARDED AND PARTIALLY INCLOSED; Length: 2.360 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN; Voltage in Volts and Current Type: 24.0 DC. 11 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.