The Heater,water,liquid Fuel, cataloged under National Stock Number 4520-01-600-8579, 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 Airboss Defense Group, Llc. Government technical data includes 1 specification, 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 | 4520-01-600-8579 |
| Primary Part Number | WH-500-2-1 |
| Item Name | Heater,water,liquid Fuel |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Airboss Defense Group, Llc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 115.0 AC |
| 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 |
|---|---|
| WH-500-2-1 PRIMARY | Airboss Defense Group, Llc (USA) |
NSN 4520-01-600-8579 is a Heater,water,liquid Fuel, manufactured by Airboss Defense Group, Llc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-600-8579 has 1 manufacturer part number on file: WH-500-2-1 (Airboss Defense Group, Llc).
Key specifications for WH-500-2-1: Voltage in Volts and Current Type: 115.0 AC; Special Features: 50000 BTU INPUT; NO. 1 OR 2 DIESEL FUEL; 5.3 GAL FUEL CAPACITY; 16 GPM FLOW; 4 OUTPUT HOSE CONNECTIONS; 1 INPUT HOSE CONNECTION 1.5 NPT; HYDRANT COMPATIBLE; GARDEN HOSE ADAPTER; CLOSE LOOP TEMP CONTROL; TURF TIRES AND GUIDE HANDLE; PRESSURE REDUCTION VALVE; TEMP CONTROL VALVE; IN-LINE WATER FILTER; ELECTRONIC INGITION; CLEAN OUT TUBE; 100 FT 12AWG EXTENSION CORD; DOSITRON MIXER FT; Part Name Assigned by Controlling Agency: DIESEL FIRED FLASH WATER HEATER WITH SOLUTION MIXER. 1 specification is 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.