The Fan,centrifugal, cataloged under National Stock Number 4140-00-879-0244, 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 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-879-0244 |
| Primary Part Number | 2C782 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Length | 3.906 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.022 HORSEPOWER |
| Outlet Inside Diameter | 1.250 INCHES NOMINAL IN |
| Quantity | 1 |
| Style Designator | FIXED,ROUND OUTLETS |
| Diameter | 2.000 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | 40.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Height | 3.812 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3160.0 |
| Surface Treatment | ENAMEL OVERALL |
| Width | 4.188 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | SLEEVE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 15.0 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 |
|---|---|
| 2C782 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 310015 | 5/9 Secondary reference Transdyne Corp |
NSN 4140-00-879-0244 is a Fan,centrifugal, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-879-0244 has 1 manufacturer part number on file: 2C782 (W.w. Grainger, Inc. Div Government Sales Division).
4 possible matches (shared part number, not a government interchangeability claim): 6660-01-072-6851, 5330-01-245-4106, 4720-01-442-3028. Verify interchangeability with system specifications before substitution.
Key specifications for 2C782: Outlet Location: TOP; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 26 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.