The Fan,ventilating, cataloged under National Stock Number 4140-01-486-2783, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-486-2783 |
| Primary Part Number | 21A093 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Speed Adjustments | 0 TO FULL SPEED |
| Frequency in Hertz | 60.0 |
| Inclosure Type | GUARDED |
| Length | 8.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC OR 220.0 AC |
| Housing Inside Diameter | 16.500 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 180.0 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | 311.0 FAHRENHEIT DEGF |
| Height | 17.625 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1620.0 |
| Environmental Protection | CORROSION RESISTANT |
| Width | 17.625 INCHES NOMINAL IN |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 21A093 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 4C865 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4140-01-486-2783 is a Fan,ventilating, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-486-2783 has 1 manufacturer part number on file: 21A093 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 21A093: Speed Adjustments: 0 TO FULL SPEED; Frequency in Hertz: 60.0; Inclosure Type: GUARDED; Length: 8.500 INCHES NOMINAL IN. 17 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.