The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-017-4001, 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 Rheem Mfg Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-017-4001 |
| Primary Part Number | AP-7485-EL |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Rheem Mfg Co |
| Status | ACTIVE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Length | 9.062 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, SCREW TYPE |
| Maximum Wattage Rating in Watts | 1250.0 SINGLE VOLTAGE |
| Mounting Facility Length | 0.750 INCHES NOMINAL IN |
| Element Connection Style | TERMINAL SCREW |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 1.000 INCHES MOUNTING FACILITY IN |
| Nominal Thread Size | 0.190 INCHES SCREW IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER ALLOY SHEATH |
| Thread Series Designator | NPT MOUNTING FACILITY |
| Thread Series Designator | UNF SCREW |
| Thread Quantity | 32.0 PER INCH SCREW |
| Thread Quantity | 11.5 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 |
|---|---|
| AP-7485-EL PRIMARY | Rheem Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| AP-7485 | 5/9 Secondary reference Rheem Mfg Co Water Heater Div |
NSN 4520-01-017-4001 is a Heating Element,electrical,immer, manufactured by Rheem Mfg Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-017-4001 has 1 manufacturer part number on file: AP-7485-EL (Rheem Mfg Co).
Key specifications for AP-7485-EL: Phase: NOT RATED SINGLE VOLTAGE; Terminal Quantity: 2; Length: 9.062 INCHES NOMINAL IN; Voltage in Volts and Current Type: 240.0 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.