The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-321-6383, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-321-6383 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 10.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC SINGLE VOLTAGE |
| Body Style | STRIP, FINNED |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 1000.0 SINGLE VOLTAGE |
| Terminal Length | 0.625 INCHES NOMINAL IN |
| Mounting Facility Length | 0.625 INCHES NOMINAL IN |
| Element Connection Style | HERMETICALLY SEALED STUD |
| Effective Heating Length | 10.750 INCHES NOMINAL IN |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 10.0 MILLIMETERS STUD MM |
| Heat Quantity | 1 |
| Terminal Arrangement Style | OFFSET OR STAGGERED AT ONE END |
| Watt Density Rating | 25.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.500 INCHES NOMINAL IN |
| Material | IRON SHEATH |
| Thread Series Designator | NPT STUD |
| Mounting Facility Width | 0.500 INCHES NOMINAL IN |
| Thread Quantity | 28 PER CENTIMETER STUD |
| 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 |
|---|---|
| TD156-0853 ITEM 3 | 3/2 Design control — primary reference U.S. Government activity |
| OTF-15 128160 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| OTF-15 128160 | 5/9 Secondary reference Emerson Electric Co |
NSN 4520-01-321-6383 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-321-6383: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 10.750 INCHES NOMINAL IN. 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.