The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-369-3512, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-369-3512 |
| Primary Part Number | 289570 |
| 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 |
| Length | 8.938 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 480.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, SCREW TYPE |
| Maximum Wattage Rating in Watts | 2500.0 SINGLE VOLTAGE |
| Effective Heating Length | 8.938 INCHES NOMINAL IN |
| Terminal Box Environmental Protection | EXPLOSION RESISTANT AND MOISTURE RESISTANT |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 2.000 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Watt Density Rating | 48.0 PER SQUARE INCH SINGLE VOLTAGE |
| Unpackaged Unit Height | 4.250 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL CORROSION RESISTING SHEATH |
| Thread Series Designator | NPT MOUNTING FACILITY |
| Thread Quantity | 11-1/2 PER INCH MOUNTING FACILITY |
| 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 |
|---|---|
| 289570 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| MTS-225E2 480V 2.5KW 1PH | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| MTS-2 | 5/1 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-01-369-3512 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 4520-01-369-3512 has 2 manufacturer part numbers on file: 289570 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), MTS-225E2 480V 2.5KW 1PH (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 289570: Length: 8.938 INCHES NOMINAL IN; Voltage in Volts and Current Type: 480.0 AC SINGLE VOLTAGE; Body Style: TUBULAR, SCREW TYPE; Maximum Wattage Rating in Watts: 2500.0 SINGLE VOLTAGE. 16 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.