The Heater,water,electric, cataloged under National Stock Number 4520-00-351-7670, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4520-00-351-7670 |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Thermostatic Switch | INCLUDED |
| Water Outlet Connection Thread Size and Series/type Designator | 1-1/4-11-1/2 NPT |
| Water Outlet Connection Quantity | 1 |
| Phase | THREE |
| Heating Element Wattage Rating | 6000.000 LOWER AND 6000.000 MIDDLE AND 6000.000 UPPER |
| Voltage in Volts and Current Type | 208.0 AC |
| Capacity | 120.0 GALLONS TANK |
| Water Inlet Connection Quantity | 1 |
| Water Inlet Connection Thread Size and Series/type Designator | 1-1/4-11-1/2 NPT |
| Attachment Device | INCLUDED |
| Heating Element Type | TRIPLE |
| Surface Treatment | GLASS FIBER INSIDE |
| Furnished Items and Quantity | THERMOSTAT 3,VALVE DRAIN 1 |
| 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 |
|---|---|
| GRE120T | 5/9 Secondary reference Jackson W L Mfg Co Inc |
| HST18-120 | 3/9 Design control — primary reference Lochinvar Llc |
NSN 4520-00-351-7670 is a Heater,water,electric, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-351-7670: Thermostatic Switch: INCLUDED; Water Outlet Connection Thread Size and Series/type Designator: 1-1/4-11-1/2 NPT; Water Outlet Connection Quantity: 1; Phase: THREE. 13 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.