The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-936-5225, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-936-5225 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Flange Diameter | 3.125 INCHES NOMINAL IN |
| Phase | NOT RATED SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| 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 | TUBULAR, FLANGED |
| Hole or Slot Quantity | 3 |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 5000.0 SINGLE VOLTAGE |
| Element Connection Style | TERMINAL SCREW |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.164 INCHES SCREW IN |
| Heat Quantity | 1 |
| Bolt Circle Diameter | 2.250 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | ALUMINUM SHEATH |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW |
| Thread Quantity | 32.0 PER INCH SCREW |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
| Reference | Meaning |
|---|---|
| TNS2551 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| HC120-500 | 5/9 Secondary reference U.S. Government activity |
| HC120-50 | 5/9 Secondary reference U.S. Government activity |
| TA9365225 | 5/9 Secondary reference Intelliworks Ht |
| TA9365225 | 3/9 Design control — primary reference Tamco, Inc. Dba Technical Assistance Company Div Technical Assistance Company |
NSN 4520-00-936-5225 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-936-5225: Flange Diameter: 3.125 INCHES NOMINAL IN; Phase: NOT RATED SINGLE VOLTAGE; Terminal Quantity: 2; Length: 15.000 INCHES NOMINAL IN. 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.