The Fan,vaneaxial, cataloged under National Stock Number 4140-01-075-0419, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-075-0419 |
| Primary Part Number | BT1625V-4 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 4.310 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 200.0 AC |
| Housing Inside Diameter | 3.750 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 425.0 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -65.0 FAHRENHEIT AND 190.0 FAHRENHEIT DEGF |
| Operating Speed at Rated Capacity in RPM | 7000.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 110.0 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4140-01-075-0419 is a Fan,vaneaxial, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-075-0419 has 2 manufacturer part numbers on file: BT1625V-4 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), BT1625V-4 (Curtiss-Wright Controls Integrated Sensing, Inc.).
Key specifications for BT1625V-4: Speed Adjustments: SINGLE SPEED; Phase: THREE; Frequency in Hertz: 400.0; Inclosure Type: PARTIALLY INCLOSED. 18 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.
NSN 4140-01-075-0419 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
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.