The Furnace,warm Air, cataloged under National Stock Number 4520-01-241-8715, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-241-8715 |
| Primary Part Number | 3E270A |
| Item Name | Furnace,warm Air |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Heat Delivery Rate | 140000.0 BRITISH THERMAL UNIT |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Heat Medium Type | AIR |
| Inclosure Material | STEEL |
| Voltage in Volts | 115.0 |
| Fuel Type | FS NO. 1 BURNER FUEL OIL |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Height | 40.000 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Depth | 46.000 INCHES NOMINAL IN |
| Width | 20.000 INCHES NOMINAL IN |
| Air Filter Type | REPLACEABLE PREFORMED |
| Fuel Consumption Rate Per Hour | 1.0 GALLONS |
| Heat Directing Device | DIRECTIONAL GRILLE |
| Ignition Method | PILOT |
| Mounting Type | FLOOR SURFACE, FREE STANDING, DUCTED |
| Heating Element Type | BURNER AND COMBUSTION CHAMBER |
| Current Rating in Amps | 12.2 |
| Operating Control Type | THERMOSTATIC |
| 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 |
|---|---|
| 3E270A PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 3E270 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4520-01-241-8715 is a Furnace,warm Air, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-241-8715 has 1 manufacturer part number on file: 3E270A (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 3E270A: Heat Delivery Rate: 140000.0 BRITISH THERMAL UNIT; Phase: SINGLE; Frequency in Hertz: 60.0; Current Type: AC. 23 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.