The Fan,tubeaxial, cataloged under National Stock Number 4140-01-500-0618, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-500-0618 |
| Primary Part Number | B4033699-001 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | GUARDED |
| Length | 1.620 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 220.0 AC OR 230.0 AC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 7.044 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 27.0 WATTS AND 42.1 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -40.0 CELSIUS AND 85.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 2850.0 AND 3100.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 223.0 CUBIC FEET PER MINUTE MINIMUM AND 253.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| B4033699-001 PRIMARY | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| Reference | Meaning |
|---|---|
| 7034365 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-500-0618 is a Fan,tubeaxial, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-500-0618 has 1 manufacturer part number on file: B4033699-001 (Department of the Army Hq United States Army Communications Research and Development Command).
Key specifications for B4033699-001: Phase: THREE; Frequency in Hertz: 50.0 AND 60.0; Inclosure Type: GUARDED; Length: 1.620 INCHES NOMINAL IN. 16 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.