The Fan,vaneaxial, cataloged under National Stock Number 4140-01-342-4703, 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 Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-342-4703 |
| Primary Part Number | 77738051-501 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Length | 4.120 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 200.0 AC |
| Flow Direction | INWARD |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 300.0 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -75.0 FAHRENHEIT AND 150.0 FAHRENHEIT DEGF |
| Storage Temp Range | -80.0 TO 185.0 FAHRENHEIT DEGF |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 125.0 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 |
|---|---|
| 77738051-501 PRIMARY | Triumph Thermal Systems - Maryland, Inc. (USA) |
NSN 4140-01-342-4703 is a Fan,vaneaxial, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-342-4703 has 1 manufacturer part number on file: 77738051-501 (Triumph Thermal Systems - Maryland, Inc.).
Key specifications for 77738051-501: Phase: THREE; Frequency in Hertz: 400.0; Length: 4.120 INCHES NOMINAL IN; Voltage in Volts and Current Type: 200.0 AC. 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.