The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-253-7302, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-253-7302 |
| Primary Part Number | SC3725-120V |
| Item Name | Heating Element,electrical,nonim |
| 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 | 2.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, PLAIN |
| Maximum Wattage Rating in Watts | 100.0 SINGLE VOLTAGE |
| Terminal Length | 12.000 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Effective Heating Length | 2.500 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Watt Density Rating | 40.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL CORROSION RESISTING SHEATH |
| 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 |
|---|---|
| SC3725-120V PRIMARY | Hotwatt, Inc (USA) |
| Reference | Meaning |
|---|---|
| SC3725120V | 5/9 Secondary reference Hotwatt, Inc |
NSN 4520-01-253-7302 is a Heating Element,electrical,nonim, manufactured by Hotwatt, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-253-7302 has 1 manufacturer part number on file: SC3725-120V (Hotwatt, Inc).
Key specifications for SC3725-120V: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 2.500 INCHES NOMINAL IN. 16 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.