The Unit Heater,air Circulating,stea, cataloged under National Stock Number 4520-01-156-0516, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-156-0516 |
| Item Name | Unit Heater,air Circulating,stea |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Heat Delivery Rate | 2040.4 BRITISH THERMAL UNIT |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Heat Medium Type | STEAM |
| Inclosure Material | STEEL CORROSION RESISTING |
| Quantity | 1 |
| Voltage in Volts | 230.0 AND 460.0 |
| Diameter | 34.750 INCHES NOMINAL IN |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | VERTICAL |
| Height | 15.875 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Surface Treatment | PAINT |
| Maximum Pressure Limit | 2.0 POUNDS PER SQUARE INCH GAGE LBS |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Heat Directing Device | DIRECTIONAL GRILLE |
| Mounting Type | CEILING SUSPENDED |
| Heating Element Type | STEAM COIL |
| Current Rating in Amps | 2.6 AND 1.3 |
| 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 |
| Reference | Meaning |
|---|---|
| V-247-05 | 3/9 Design control — primary reference Modine Mfg Co |
| V-247-05 | C/1 Advisory reference — outside the item-of-supply concept Modine Manufacturing Co |
NSN 4520-01-156-0516 is a Unit Heater,air Circulating,stea, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-156-0516: Speed Adjustments: SINGLE SPEED; Heat Delivery Rate: 2040.4 BRITISH THERMAL UNIT; Phase: THREE; Frequency in Hertz: 60.0. 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.