The Heater,water,electric, cataloged under National Stock Number 4520-01-451-5508, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-451-5508 |
| Primary Part Number | 072566 |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Thermostatic Switch | NOT INCLUDED |
| Water Outlet Connection Thread Size and Series/type Designator | 1/2-14 NPT |
| Water Outlet Connection Quantity | 1 |
| Phase | SINGLE |
| Heating Element Wattage Rating | 30.000 MIDDLE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 115.0 AC |
| Water Inlet Connection Quantity | 1 |
| Water Inlet Connection Thread Size and Series/type Designator | 1/2-14 NPT |
| Insulated Feature | NOT INCLUDED |
| Attachment Device | INCLUDED |
| Heating Element Type | SINGLE |
| Temp Rise Per Hour | 20.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| 072566 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 071584 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 4520-01-451-5508 is a Heater,water,electric, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-451-5508 has 1 manufacturer part number on file: 072566 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 072566: Thermostatic Switch: NOT INCLUDED; Water Outlet Connection Thread Size and Series/type Designator: 1/2-14 NPT; Water Outlet Connection Quantity: 1; Phase: SINGLE. 13 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.