The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-171-7083, 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 Ulanet George Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-171-7083 |
| Primary Part Number | 305-115V-500W |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Ulanet George Co |
| Status | ACTIVE |
| Length | 5.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC OR 230.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, SCREW TYPE |
| Maximum Wattage Rating in Watts | 500.0 OR 1100.0 SINGLE VOLTAGE |
| Mounting Facility Length | 1.063 INCHES NOMINAL IN |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 1.000 INCHES MOUNTING FACILITY IN |
| Heat Control Type | THERMOSTAT |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 305-115V-500W PRIMARY | Ulanet George Co (USA) |
| Reference | Meaning |
|---|---|
| 305 | 5/9 Secondary reference Ulanet George Co |
NSN 4520-01-171-7083 is a Heating Element,electrical,immer, manufactured by Ulanet George Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-171-7083 has 1 manufacturer part number on file: 305-115V-500W (Ulanet George Co).
Key specifications for 305-115V-500W: Length: 5.500 INCHES NOMINAL IN; Voltage in Volts and Current Type: 115.0 AC OR 230.0 AC SINGLE VOLTAGE; Body Style: TUBULAR, SCREW TYPE; Maximum Wattage Rating in Watts: 500.0 OR 1100.0 SINGLE VOLTAGE. 13 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.