The Fan,vaneaxial, cataloged under National Stock Number 4140-01-524-3985, 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 Eg and G Rotron Regenerative Blower Opns. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-524-3985 |
| Primary Part Number | 039258 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Eg and G Rotron Regenerative Blower Opns |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 BOLT |
| Flow Direction | INWARD |
| Housing Inside Diameter | 1.970 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 2.320 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN |
| Material | PLASTIC HOUSING |
| Material | PLASTIC BLADE |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 039258 | Eg and G Rotron Regenerative Blower Opns (USA) |
| FS24B3-E2 | Eg and G Rotron Regenerative Blower Opns (USA) |
| 72233-AD00 REV C IT 12 | Arnold Magnetics Corporation Dba Arnold Magnetic Technologies (USA) |
| Reference | Meaning |
|---|---|
| MODEL FS24B3-E2 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 039258 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-524-3985 is a Fan,vaneaxial, manufactured by Eg and G Rotron Regenerative Blower Opns, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-524-3985 has 3 manufacturer part numbers on file: 039258 (Eg and G Rotron Regenerative Blower Opns), FS24B3-E2 (Eg and G Rotron Regenerative Blower Opns), 72233-AD00 REV C IT 12 (Arnold Magnetics Corporation Dba Arnold Magnetic Technologies).
Key specifications for 039258: Mounting Facility Type and Quantity: 4 BOLT; Flow Direction: INWARD; Housing Inside Diameter: 1.970 INCHES NOMINAL IN; Drive Type: DIRECT. 10 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.