The Heater,water,electric, cataloged under National Stock Number 4520-01-041-2184, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-041-2184 |
| Primary Part Number | 3CS-208VAC60HZ3PH9KW |
| 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 Quantity | 1 |
| Frequency in Hertz | 60.0 |
| Water Inlet Connection Quantity | 1 |
| Insulated Feature | INCLUDED |
| Attachment Device | INCLUDED |
| Temp Rise Per Hour | 40.0 FAHRENHEIT DEGF |
| Material | STEEL CORROSION RESISTING |
| Furnished Items and Quantity | INLET AND OUTLET CONNECTIONS |
| 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-208VAC60HZ3PH9KW | Hatco Corp (USA) |
| 3CS.MIL-208V | Hatco Corp (USA) |
| Reference | Meaning |
|---|---|
| 3CS-9B | 3/9 Design control — primary reference Hatco Corp |
NSN 4520-01-041-2184 is a Heater,water,electric, manufactured by Hatco Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-041-2184 has 2 manufacturer part numbers on file: 3CS-208VAC60HZ3PH9KW (Hatco Corp), 3CS.MIL-208V (Hatco Corp).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-236-2854. Verify interchangeability with system specifications before substitution.
Key specifications for 3CS-208VAC60HZ3PH9KW: Thermostatic Switch: INCLUDED; Overall Height: 13.000 INCHES NOMINAL IN; Water Outlet Connection Quantity: 1; Frequency in Hertz: 60.0. 9 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.