The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-030-8408, 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 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-030-8408 |
| Primary Part Number | TM-6245V440V-24KW-3PH |
| 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 |
| Flange Diameter | 10.000 INCHES NOMINAL IN |
| Phase | THREE SINGLE VOLTAGE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Terminal Quantity | 6 |
| Length | 33.062 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | FLANGE TYPE |
| Hole or Slot Quantity | 8 |
| Flange Thickness | 0.937 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 24000.0 SINGLE VOLTAGE |
| Element Connection Style | TERMINAL SCREW |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.164 INCHES SCREW IN |
| Heat Quantity | 3 |
| Watt Density Rating | 44.0 PER SQUARE INCH SINGLE VOLTAGE |
| Bolt Circle Diameter | 8.500 INCHES NOMINAL IN |
| Heat Control Type | THERMOSTAT |
| Conduit Opening Size | 1.000 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER SHEATH |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW |
| Thread Quantity | 32.0 PER INCH SCREW |
| Hole Diameter | 0.875 INCHES NOMINAL IN |
| Element Quantity | 6 |
| 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 |
|---|---|
| TM-6245V440V-24KW-3PH PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| TM-6245V440V-24K | C/1 Advisory reference — outside the item-of-supply concept Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| TM-6245V | 5/1 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| TM-6245V440V-24 KTM-6245V440V-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4520-01-030-8408 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 4520-01-030-8408 has 1 manufacturer part number on file: TM-6245V440V-24KW-3PH (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for TM-6245V440V-24KW-3PH: Flange Diameter: 10.000 INCHES NOMINAL IN; Phase: THREE SINGLE VOLTAGE; Frequency in Hertz: 50.0 AND 60.0; Terminal Quantity: 6. 24 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.