The Heater,space,electric, cataloged under National Stock Number 4520-01-455-3294, 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 Maradyne Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-455-3294 |
| Primary Part Number | MDL 8000 24V |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Maradyne Corporation |
| Status | ACTIVE |
| Maximum Air Flow Rate | 250.0 CUBIC FEET PER MINUTE |
| Speed Adjustments | THREE SPEED |
| Heat Delivery Rate | 20000.0 BRITISH THERMAL UNIT |
| Current Type | DC |
| Inclosure Material | STEEL CORROSION RESISTING |
| Voltage in Volts | 24.0 |
| Heat Outlet Quantity | 2 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Height | 8.125 INCHES NOMINAL IN |
| Depth | 8.500 INCHES NOMINAL IN |
| Width | 8.125 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Heat Directing Device | HINGED DOOR |
| Outlet Position | 90 DEG APART |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Current Rating in Amps | 2.5 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| MDL 8000 24V PRIMARY | Maradyne Corporation (USA) |
| Reference | Meaning |
|---|---|
| 800024 | 5/9 Secondary reference Maradyne Corporation |
NSN 4520-01-455-3294 is a Heater,space,electric, manufactured by Maradyne Corporation, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-455-3294 has 1 manufacturer part number on file: MDL 8000 24V (Maradyne Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1370-01-590-4428. Verify interchangeability with system specifications before substitution.
Key specifications for MDL 8000 24V: Maximum Air Flow Rate: 250.0 CUBIC FEET PER MINUTE; Speed Adjustments: THREE SPEED; Heat Delivery Rate: 20000.0 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.