The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-304-2742, 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 W.w. Grainger, Inc. Div Government Sales Division. 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 | 4520-01-304-2742 |
| Primary Part Number | 2E499 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Length | 14.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, FLANGED |
| Maximum Wattage Rating in Watts | 4500.0 SINGLE VOLTAGE |
| Effective Heating Length | 14.000 INCHES NOMINAL IN |
| Terminal Box Environmental Protection | STANDARD |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER SHEATH |
| Material | NICKEL AND CHROMIUM RESISTANCE WIRE |
| 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 |
|---|---|
| 2E499 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 4520-01-304-2742 is a Heating Element,electrical,immer, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-304-2742 has 1 manufacturer part number on file: 2E499 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 2E499: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Length: 14.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 240.0 AC SINGLE VOLTAGE. 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.