The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-476-2807, 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 Hotwatt, Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-476-2807 |
| Primary Part Number | 13E0120-2 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hotwatt, Inc |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 28.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, THREADED |
| Maximum Wattage Rating in Watts | 1470.0 SINGLE VOLTAGE |
| Terminal Length | 8.000 INCHES NOMINAL IN |
| Mounting Facility Length | 0.562 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD W/TERMINAL LUG |
| Outside Diameter | 0.475 INCHES NOMINAL IN |
| Effective Heating Length | 26.000 INCHES NOMINAL IN |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.625 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Power Cable Nominal Length | 8.500 INCHES IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | NICKEL ALLOY SHEATH |
| Thread Series Designator | UNEF MOUNTING FACILITY |
| Thread Quantity | 24 PER INCH MOUNTING FACILITY |
| Element Quantity | 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 |
|---|---|
| 13E0120-2 PRIMARY | Hotwatt, Inc (USA) |
| Reference | Meaning |
|---|---|
| 13228E4258-5 | 5/9 Secondary reference U.S. Government activity |
| 018-0031-01 | 5/9 Secondary reference Copeland Corp |
| 112816-018 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-01-476-2807 is a Heating Element,electrical,immer, manufactured by Hotwatt, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-476-2807 has 1 manufacturer part number on file: 13E0120-2 (Hotwatt, Inc).
Key specifications for 13E0120-2: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 28.000 INCHES NOMINAL IN. 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.