The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-353-7289, 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 Environmental Tectonics Corp. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-353-7289 |
| Primary Part Number | B300-249-48/98 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Environmental Tectonics Corp |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Terminal Quantity | 2 |
| Length | 34.742 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 220.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, U SHAPED |
| Maximum Wattage Rating in Watts | 3000.0 SINGLE VOLTAGE |
| Terminal Length | 1.062 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Purchase Description Identification | 33714-B300-249-48/98 |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | CERAMIC SHEATH |
| Element Quantity | 3 |
| 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 |
|---|---|
| B300-249-48/98 PRIMARY | Environmental Tectonics Corp (USA) |
NSN 4520-01-353-7289 is a Heating Element,electrical,immer, manufactured by Environmental Tectonics Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-353-7289 has 1 manufacturer part number on file: B300-249-48/98 (Environmental Tectonics Corp).
Key specifications for B300-249-48/98: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 50.0 AND 60.0; Terminal Quantity: 2; Length: 34.742 INCHES NOMINAL IN. 14 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.