The Heater,space, cataloged under National Stock Number 4520-01-478-9207, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-478-9207 |
| Item Name | Heater,space |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Heat Delivery Rate | 12000.0 BRITISH THERMAL UNIT |
| Fuel Type | DF-A ARCTIC DIESEL FUEL OIL OR DF-1 WINTER DIESEL FUEL OIL OR DF-2 REGULAR DIESEL FUEL OIL OR KEROSENE |
| Height | 13.700 INCHES NOMINAL IN |
| Depth | 17.500 INCHES NOMINAL IN |
| Width | 9.000 INCHES NOMINAL IN |
| Circulated Air Type | HEATED |
| Ignition Method | MANUAL |
| Mounting Type | FLOOR SURFACE, FREE STANDING, NONDUCTED |
| Fuel Feed Method | GRAVITY |
| Heating Element Type | BURNER |
| 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 |
|---|---|
| SHS | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-32197 | 4/1 Identification reference U.S. Government activity |
NSN 4520-01-478-9207 is a Heater,space, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-478-9207: Heat Delivery Rate: 12000.0 BRITISH THERMAL UNIT; Fuel Type: DF-A ARCTIC DIESEL FUEL OIL OR DF-1 WINTER DIESEL FUEL OIL OR DF-2 REGULAR DIESEL FUEL OIL OR KEROSENE; Height: 13.700 INCHES NOMINAL IN; Special Features: ADDITION TO THE FAMILY OF SPACE HEATERS (FOSH), THE SPACE HEATER SMALL (SHS) IS A 12K BTU HEATER THAT IS DESIGNED TO PROVIDE HEAT FOR THE SOLDIER CREW TENT (5-MAN TENT) AND OTHER SMALL TENTAGE WITH FLOOR AREA BETWEEN 80 AND 100 SQUARE FEET. THE SHS OPERATES WITHOUT THE USE OF ELECTRICAL POWER AND IS LIGHT WEIGHT (20 LBS). FOR USE IN MODERATE TO ARCTIC CONDITIONS, ALSO FUNCTIONS AS FOOD WARMER. SEE ARMY OPERATOR'S MANUAL TM-10-4520-263-12&P. LBS. 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.