The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-251-3082, 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 Wellman Thermal Systems Corp. Government technical data includes 22 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 | 4520-01-251-3082 |
| Primary Part Number | MHA22GA2C700 30-110 THERMO |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Wellman Thermal Systems Corp |
| Status | ACTIVE |
| Phase | SINGLE ALL VOLTAGES |
| Frequency in Hertz | 50.0 AND 60.0 |
| Terminal Quantity | 1 |
| Length | 14.875 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC OR 240.0 AC ALL VOLTAGES |
| Body Style | TUBULAR, SCREW TYPE |
| Maximum Wattage Rating in Watts | 1200.0 ALL VOLTAGES |
| Mounting Facility Length | 1.000 INCHES NOMINAL IN |
| Element Connection Style | TERMINAL SCREW |
| Effective Heating Length | 14.875 INCHES NOMINAL IN |
| Terminal Box Environmental Protection | EXPLOSION RESISTANT |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 1.250 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Watt Density Rating | 22.0 PER SQUARE INCH ALL VOLTAGES |
| Thermostat Range | +30.0 TO 110.0 FAHRENHEIT DEGF |
| Heat Control Type | THERMOSTAT |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL SHEATH |
| Thread Series Designator | NPT MOUNTING FACILITY |
| Thread Quantity | 11.5 PER INCH MOUNTING FACILITY |
| Element Quantity | 2 |
| 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 |
|---|---|
| MHA22GA2C700 30-110 THERMO PRIMARY | Wellman Thermal Systems Corp (USA) |
NSN 4520-01-251-3082 is a Heating Element,electrical,immer, manufactured by Wellman Thermal Systems Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-251-3082 has 1 manufacturer part number on file: MHA22GA2C700 30-110 THERMO (Wellman Thermal Systems Corp).
Key specifications for MHA22GA2C700 30-110 THERMO: Phase: SINGLE ALL VOLTAGES; Frequency in Hertz: 50.0 AND 60.0; Terminal Quantity: 1; Length: 14.875 INCHES NOMINAL IN. 22 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.