The Heater,space,electric, cataloged under National Stock Number 4520-01-310-4589, 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 Tpi Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-310-4589 |
| Primary Part Number | HF1B5103N |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Tpi Corp |
| Status | ACTIVE |
| Maximum Air Flow Rate | 400.0 CUBIC FEET PER MINUTE |
| Speed Adjustments | SINGLE SPEED |
| Heat Delivery Rate | 10236.0 BRITISH THERMAL UNIT |
| Phase | SINGLE |
| Current Type | AC |
| Inclosure Material | STEEL |
| Quantity | 4 |
| Voltage in Volts | 240.0 AND 208.0 |
| Heat Outlet Quantity | 8 |
| Heat Discharge Outlet Type | ADJUSTABLE |
| Heat Delivery Direction | HORIZONTAL |
| Height | 8.000 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Depth | 8.500 INCHES NOMINAL IN |
| Width | 14.000 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Heat Directing Device | ADJUSTABLE LOUVER |
| Outlet Position | ANY ACCEPTABLE |
| Mounting Type | CEILING PANEL OR WALL PANEL |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Current Rating in Amps | 12.5 |
| 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 |
|---|---|
| HF1B5103N PRIMARY | Tpi Corp (USA) |
| Reference | Meaning |
|---|---|
| 7072802 | 5/9 Secondary reference Tpi Corp |
| 3UF75 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
| 2E636 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4520-01-310-4589 is a Heater,space,electric, manufactured by Tpi Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-310-4589 has 1 manufacturer part number on file: HF1B5103N (Tpi Corp).
Key specifications for HF1B5103N: Maximum Air Flow Rate: 400.0 CUBIC FEET PER MINUTE; Speed Adjustments: SINGLE SPEED; Heat Delivery Rate: 10236.0 BRITISH THERMAL UNIT; Phase: SINGLE. 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.