The Heater,water,electric, cataloged under National Stock Number 4520-01-362-1160, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-362-1160 |
| Primary Part Number | 6E747 |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Thermostatic Switch | INCLUDED |
| Water Outlet Connection Thread Size and Series/type Designator | 1-1/2-11-1/2 NPT |
| Water Outlet Connection Quantity | 1 |
| Phase | THREE |
| Heating Element Wattage Rating | 6000.000 SINGLE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 460.0 AC |
| Overall Diameter | 31.250 INCHES NOMINAL IN |
| Capacity | 120.0 GALLONS TANK |
| Heating Capacity Per Hour | 148.0 GALLONS |
| Water Inlet Connection Quantity | 1 |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Water Inlet Connection Thread Size and Series/type Designator | 1-1/2-11-1/2 NPT |
| Insulated Feature | INCLUDED |
| Attachment Device | NOT INCLUDED |
| Heating Element Type | SINGLE |
| Temp Rise Per Hour | 100.0 FAHRENHEIT DEGF |
| Switch Type | SINGLE THROW |
| Surface Treatment | GLASS FIBER INSIDE |
| Material | STEEL |
| Furnished Items and Quantity | TEMPERATURE AND PRESSURE RELIEF VALVE 1; DRAIN VALVE 1; ANTI-CORROSION ANODE RODS 2; HAND HOLE CLEAN-OUT INSPECTION PORT 1 |
| 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 |
|---|---|
| ES120-36-G | Rheem Mfg Co (USA) |
| 6E747 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 3E393 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
| 3E393J | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4520-01-362-1160 is a Heater,water,electric, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-362-1160 has 2 manufacturer part numbers on file: ES120-36-G (Rheem Mfg Co), 6E747 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 6E747: Thermostatic Switch: INCLUDED; Overall Height: 66.250 INCHES NOMINAL IN; Water Outlet Connection Thread Size and Series/type Designator: 1-1/2-11-1/2 NPT; Water Outlet Connection Quantity: 1. 21 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.