The Heater,space, cataloged under National Stock Number 4520-01-010-4059, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-010-4059 |
| Item Name | Heater,space |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Heat Delivery Rate | 15000.0 BRITISH THERMAL UNIT |
| Fuel Type | DF-A ARCTIC DIESEL FUEL OIL AND DF-1 WINTER DIESEL FUEL OIL AND DF-2 REGULAR DIESEL FUEL OIL AND 80/87 OCTANE GASOLINE AND 91/96 OCTANE GASOLINE |
| Nondefinitive Spec/std Data | I TYPE |
| Height | 12.000 INCHES NOMINAL IN |
| Depth | 13.000 INCHES NOMINAL IN |
| Width | 12.000 INCHES NOMINAL IN |
| Ignition Method | ELECTRODE |
| Mounting Type | HAND CARRY |
| 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 |
|---|---|
| UH48CTYPEIV | 3/2 Design control — primary reference U.S. Government activity |
| MIL-H-52204 | 4/1 Identification reference U.S. Government activity |
NSN 4520-01-010-4059 is a Heater,space, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4520-01-032-7363. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-01-010-4059: Heat Delivery Rate: 15000.0 BRITISH THERMAL UNIT; Fuel Type: DF-A ARCTIC DIESEL FUEL OIL AND DF-1 WINTER DIESEL FUEL OIL AND DF-2 REGULAR DIESEL FUEL OIL AND 80/87 OCTANE GASOLINE AND 91/96 OCTANE GASOLINE; Nondefinitive Spec/std Data: I TYPE; Height: 12.000 INCHES NOMINAL IN. 11 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.