The Heater,space,electric, cataloged under National Stock Number 4520-00-203-9557, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-203-9557 |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Maximum Air Flow Rate | 314.0 CUBIC FEET PER MINUTE |
| Speed Adjustments | TWO SPEED |
| Heat Delivery Rate | 13600.0 BRITISH THERMAL UNIT |
| Current Type | DC |
| Quantity | 1 |
| Voltage in Volts | 175.0 AND 345.0 |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Height | 15.250 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Depth | 13.750 INCHES NOMINAL IN |
| Width | 11.500 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Heat Directing Device | FIXED LOUVER |
| Mounting Type | FLOOR SURFACE, FREE STANDING, NONDUCTED |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Operating Control Type | HAND SWITCH |
| 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 |
|---|---|
| 140SN4ALT2M0DIFI | 5/9 Secondary reference H & E Venture, Llc |
| 313-3802-60587AL | 3/2 Design control — primary reference U.S. Government activity |
| 140SN4ALT2M0DIFI | 5/9 Secondary reference Snydergeneral Corp |
NSN 4520-00-203-9557 is a Heater,space,electric, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-203-9557: Maximum Air Flow Rate: 314.0 CUBIC FEET PER MINUTE; Speed Adjustments: TWO SPEED; Heat Delivery Rate: 13600.0 BRITISH THERMAL UNIT; Current Type: DC. 19 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.