The Heating Element,electrical,immer, cataloged under National Stock Number 4520-00-406-7205, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-406-7205 |
| Primary Part Number | 10552FL |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Rheem Mfg Co |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 10.062 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC ALL VOLTAGES |
| Body Style | TUBULAR, SCREW TYPE |
| Maximum Wattage Rating in Watts | 1500.0 SINGLE VOLTAGE |
| Element Connection Style | TERMINAL SCREW |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 1.000 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Watt Density Rating | 15.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NEAR INFRARED |
| Material | STEEL SHEATH |
| Thread Series Designator | NPT MOUNTING FACILITY |
| 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 |
|---|---|
| 10552FL | Rheem Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 10552FL | 3/9 Design control — primary reference Rheem Mfg Co Water Heater Div |
| 81-33-291 | 5/9 Secondary reference Rheem Mfg Co Water Heater Div |
NSN 4520-00-406-7205 is a Heating Element,electrical,immer, manufactured by Rheem Mfg Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-406-7205 has 1 manufacturer part number on file: 10552FL (Rheem Mfg Co).
Key specifications for 10552FL: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 10.062 INCHES NOMINAL IN. 17 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.