The Fan,vaneaxial, cataloged under National Stock Number 4140-01-618-2401, 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 Ems Development Corporation. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-618-2401 |
| Primary Part Number | 496D8002-1 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ems Development Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BASE |
| Shaft Bearing Type | BALL |
| Length | 192.0 MILLIMETERS NOMINAL MM |
| Voltage in Volts and Current Type | 48.0 DC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 69.0 MILLIMETERS NOMINAL MM |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Operating Speed at Rated Capacity in RPM | 1850.0 |
| Material | PLASTIC BLADE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 250.0 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 |
|---|---|
| 496D8002-1 | Ems Development Corporation (USA) |
| 496D0100 REV F ITEM NO.59 | Ems Development Corporation (USA) |
| Reference | Meaning |
|---|---|
| 39858 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 39858 | 3/9 Design control — primary reference Digi-Key Corp |
NSN 4140-01-618-2401 is a Fan,vaneaxial, manufactured by Ems Development Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-618-2401 has 2 manufacturer part numbers on file: 496D8002-1 (Ems Development Corporation), 496D0100 REV F ITEM NO.59 (Ems Development Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-643-3228. Verify interchangeability with system specifications before substitution.
Key specifications for 496D8002-1: Mounting Facility Type and Quantity: 1 BASE; Shaft Bearing Type: BALL; Length: 192.0 MILLIMETERS NOMINAL MM; Voltage in Volts and Current Type: 48.0 DC. 14 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.