The Heater,water,electric, cataloged under National Stock Number 4520-01-258-8330, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-258-8330 |
| Primary Part Number | 3CS.MIL-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 Quantity | 1 |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Water Inlet Connection Quantity | 1 |
| Insulated Feature | INCLUDED |
| Attachment Device | INCLUDED |
| Departure From Cited Designator | AS MODIFIED FOR NAVAL SHIPBOARD USE. |
| Specification/standard Data | 81349-MIL-H-43895B GOVERNMENT SPECIFICATION |
| Temp Rise Per Hour | 40.0 FAHRENHEIT DEGF |
| Material | STEEL CORROSION RESISTING |
| 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.MIL-480V | Hatco Corp (USA) |
| Reference | Meaning |
|---|---|
| 3CS-M9B | 3/9 Design control — primary reference Hatco Corp |
| 3CS-9M-480V-3PH | 5/9 Secondary reference Hatco Corp |
| 3CSM-9-B-480V-3 PH | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 3CSM-9-B-480V-39H | C/1 Advisory reference — outside the item-of-supply concept Hatco Corp |
| 3CS-MIL-9-B-480V | 5/9 Secondary reference Hatco Corp |
NSN 4520-01-258-8330 is a Heater,water,electric, manufactured by Hatco Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-258-8330 has 1 manufacturer part number on file: 3CS.MIL-480V (Hatco Corp).
Key specifications for 3CS.MIL-480V: Thermostatic Switch: INCLUDED; Overall Height: 12.625 INCHES NOMINAL IN; Water Outlet Connection Quantity: 1; Phase: THREE. 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.