The Heater,duct Type,portable, cataloged under National Stock Number 4520-01-167-6532, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-167-6532 |
| Item Name | Heater,duct Type,portable |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Maximum Air Flow Rate | 1200.0 CUBIC FEET PER MINUTE |
| Speed Adjustments | SINGLE SPEED |
| Heat Delivery Rate | 250000.0 BRITISH THERMAL UNIT |
| Radio Interference Suppression Type | ARMY, MIL-E-53301, RADIO SUPPRESSION |
| Integral Fuel Tank Capacity | 18.5 GALLONS |
| Heat Medium Type | AIR |
| Inclosure Material | STEEL |
| Quantity | 1 |
| Fuel Type | 80/87 OCTANE GASOLINE AND FS NO. 4 BURNER FUEL OIL AND 100/130 OCTANE GASOLINE AND 115/145 OCTANE GASOLINE |
| Heat Outlet Quantity | 2 |
| Heat Discharge Outlet Type | ADJUSTABLE |
| Heat Delivery Direction | HORIZONTAL |
| Height | 40.000 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Surface Treatment | PAINT |
| Depth | 46.000 INCHES NOMINAL IN |
| Width | 30.000 INCHES NOMINAL IN |
| Fuel Consumption Rate Per Hour | 23.6 POUNDS LBS |
| Prime Mover Type | GASOLINE ENGINE |
| Circulated Air Type | HEATED |
| Heat Directing Device | ADJUSTABLE LOUVER |
| Ignition Method | MANUAL |
| Outlet Position | IN THE SAME DIRECTION |
| Mounting Type | WHEEL |
| Fuel Feed Method | INTERNAL PUMP |
| Heating Element Type | COMBUSTION CHAMBER |
| 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 | N |
| Reference | Meaning |
|---|---|
| VBM250A | 3/9 Design control — primary reference U.S. Government activity |
NSN 4520-01-167-6532 is a Heater,duct Type,portable, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-167-6532: Maximum Air Flow Rate: 1200.0 CUBIC FEET PER MINUTE; Speed Adjustments: SINGLE SPEED; Heat Delivery Rate: 250000.0 BRITISH THERMAL UNIT; Radio Interference Suppression Type: ARMY, MIL-E-53301, RADIO SUPPRESSION. 27 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.