The Fan,tubeaxial, cataloged under National Stock Number 4140-00-203-4844, 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 Grainger Div of W W Grainger Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-00-203-4844 |
| Primary Part Number | 7F833 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Grainger Div of W W Grainger Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Shaft Bearing Type | BALL |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 18.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 AC OR 460.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 24.312 INCHES NOMINAL IN |
| Drive Type | BELT |
| Prime Mover Power Rating | 1.500 HORSEPOWER |
| Style Designator | FIXED |
| Features Provided | NONSPARKING AND THERMAL PROTECTIVE DEVICE |
| Operating Speed at Rated Capacity in RPM | 1725.0 |
| Surface Treatment | CHROMATE ZINC AND ENAMEL HOUSING |
| Environmental Protection | EXPLOSION PROOF |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 7915.000 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 |
|---|---|
| 7F833 PRIMARY | Grainger Div of W W Grainger Inc (USA) |
| Reference | Meaning |
|---|---|
| 7F964 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4140-00-203-4844 is a Fan,tubeaxial, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-203-4844 has 1 manufacturer part number on file: 7F833 (Grainger Div of W W Grainger Inc).
Key specifications for 7F833: Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE; Shaft Bearing Type: BALL. 24 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.