The Heater,water,electric, cataloged under National Stock Number 4520-01-340-5369, 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 Hatco Corp. Government technical data includes 16 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 | 4520-01-340-5369 |
| Primary Part Number | 3CS-4-480V |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hatco Corp |
| Status | ACTIVE |
| Thermostatic Switch | INCLUDED |
| Water Outlet Connection Thread Size and Series/type Designator | 2-11-1/2 NPTF |
| Water Outlet Connection Quantity | 1 |
| Phase | SINGLE |
| Heating Element Wattage Rating | 4500.000 SINGLE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 480.0 AC |
| Water Inlet Connection Quantity | 1 |
| Water Inlet Connection Thread Size and Series/type Designator | 2-11-1/2 NPTF |
| Insulated Feature | INCLUDED |
| Attachment Device | INCLUDED |
| Heating Element Type | SINGLE |
| Temp Rise Per Hour | 80.0 FAHRENHEIT DEGF |
| Switch Type | SINGLE THROW |
| Material | STEEL |
| Furnished Items and Quantity | FULL-SIZED TEMPLATE SUPPLIED TO LOCATE FITTING HOLES |
| 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 |
|---|---|
| 3CS-4-480V PRIMARY | Hatco Corp (USA) |
NSN 4520-01-340-5369 is a Heater,water,electric, manufactured by Hatco Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-340-5369 has 1 manufacturer part number on file: 3CS-4-480V (Hatco Corp).
Key specifications for 3CS-4-480V: Thermostatic Switch: INCLUDED; Overall Height: 12.625 INCHES NOMINAL IN; Water Outlet Connection Thread Size and Series/type Designator: 2-11-1/2 NPTF; Water Outlet Connection Quantity: 1. 16 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.