The Heater,space, cataloged under National Stock Number 4520-01-667-5055, 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 Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-667-5055 |
| Primary Part Number | AT2000 |
| Item Name | Heater,space |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc |
| Status | ACTIVE |
| Maximum Air Flow Rate | 37.0 CUBIC FEET PER MINUTE |
| Current Type | DC |
| Voltage in Volts | 12.0 AND 24.0 |
| Fuel Type | DIESEL FUEL OIL |
| Height | 4.85 INCHES NOMINAL IN |
| Depth | 12.25 INCHES NOMINAL IN |
| Width | 4.78 INCHES NOMINAL IN |
| Fuel Consumption Rate Per Hour | 0.06 GALLONS PER HOUR |
| Circulated Air Type | HEATED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| AT2000 PRIMARY | Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc (USA) |
NSN 4520-01-667-5055 is a Heater,space, manufactured by Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-667-5055 has 1 manufacturer part number on file: AT2000 (Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc).
Key specifications for AT2000: Maximum Air Flow Rate: 37.0 CUBIC FEET PER MINUTE; Current Type: DC; Voltage in Volts: 12.0 AND 24.0; Fuel Type: DIESEL FUEL OIL. 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.