The Heater,water,electric, cataloged under National Stock Number 4520-01-551-7785, 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 The Electric Heater Co Dba Hubbell Electric Heater Co.. Government technical data includes 18 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 | 4520-01-551-7785 |
| Primary Part Number | MSE50-6-6SLT5 |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| Thermostatic Switch | INCLUDED |
| Water Outlet Connection Thread Size and Series/type Designator | 1 NPT |
| Water Outlet Connection Quantity | 1 |
| Phase | THREE |
| Heating Element Wattage Rating | 6000.000 UPPER AND 6000.000 LOWER |
| Frequency in Hertz | 60.0 |
| Overall Diameter | 22.750 INCHES NOMINAL IN |
| Capacity | 50.0 GALLONS TANK |
| Heating Capacity Per Hour | 31.0 GALLONS |
| Supplementary Features | 440.0 VOLTS |
| Water Inlet Connection Quantity | 1 |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Water Inlet Connection Thread Size and Series/type Designator | 1 NPT |
| Insulated Feature | INCLUDED |
| Attachment Device | INCLUDED |
| Heating Element Type | DOUBLE |
| Surface Treatment | ENAMEL OUTSIDE |
| 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 |
|---|---|
| MSE50-6-6SLT5 PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
NSN 4520-01-551-7785 is a Heater,water,electric, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-551-7785 has 1 manufacturer part number on file: MSE50-6-6SLT5 (The Electric Heater Co Dba Hubbell Electric Heater Co.).
Key specifications for MSE50-6-6SLT5: Thermostatic Switch: INCLUDED; Overall Height: 57.000 INCHES NOMINAL IN; Water Outlet Connection Thread Size and Series/type Designator: 1 NPT; Water Outlet Connection Quantity: 1. 18 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.