The Heating Element,electrical,immer, cataloged under National Stock Number 4520-00-402-0884, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-00-402-0884 |
| Primary Part Number | NWH151GXX |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Phase | SINGLE ALL VOLTAGES |
| Terminal Quantity | 6 |
| Length | 15.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC SECOND VOLTAGE |
| Voltage in Volts and Current Type | 120.0 AC FIRST VOLTAGE |
| Body Style | SCREW TYPE |
| Maximum Wattage Rating in Watts | 1500.0 ALL VOLTAGES |
| Terminal Length | 0.625 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 12.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 1 |
| Watt Density Rating | 2.0 PER SQUARE INCH ALL VOLTAGES |
| Thermostat Range | +12.0 TO 84.0 CELSIUS DEGC |
| Heat Control Type | THERMOSTAT |
| Conduit Opening Size | 0.875 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER SHEATH |
| Thread Series Designator | UNF STUD |
| Thread Quantity | 32.0 PER INCH STUD |
| 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 |
|---|---|
| NWH151GXX PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 054-115986-011 | C/1 Advisory reference — outside the item-of-supply concept Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-00-402-0884 is a Heating Element,electrical,immer, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-402-0884 has 1 manufacturer part number on file: NWH151GXX (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for NWH151GXX: Phase: SINGLE ALL VOLTAGES; Terminal Quantity: 6; Length: 15.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 240.0 AC SECOND VOLTAGE. 21 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.