The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-908-7447, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-908-7447 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Phase | THREE SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Length | 21.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, THREADED TERMINALS |
| Maximum Wattage Rating in Watts | 3300.0 SINGLE VOLTAGE |
| Mounting Facility Length | 6.000 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.164 INCHES STUD IN |
| Nominal Thread Size | 0.500 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | CHROMIUM AND NICKEL SHEATH |
| Thread Series Designator | NPT MOUNTING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Thread Quantity | 14.0 PER INCH MOUNTING FACILITY |
| Thread Quantity | 32.0 PER INCH STUD |
| 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 |
| Reference | Meaning |
|---|---|
| S2545A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-00-908-7447 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-908-7447: Phase: THREE SINGLE VOLTAGE; Terminal Quantity: 2; Length: 21.750 INCHES NOMINAL IN; Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE. 19 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.