The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-930-5403, 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 Vulcan Electric Co Div Vulcan Electric Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-930-5403 |
| Primary Part Number | Z5 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Vulcan Electric Co Div Vulcan Electric Company |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Terminal Quantity | 4 |
| Length | 7.328 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | STRIP, FINNED |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 450.0 SINGLE VOLTAGE |
| Terminal Length | 0.594 INCHES NOMINAL IN |
| Mounting Facility Length | 0.500 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 3 |
| Terminal Arrangement Style | IN LINE (TANDEM) AT ONE END |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 9.354 INCHES NOMINAL IN |
| Material | CHROMIUM AND NICKEL RESISTANCE WIRE |
| Material | MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material | STEEL SHEATH |
| Thread Series Designator | UNF STUD |
| Mounting Facility Width | 0.313 INCHES NOMINAL IN |
| Thread Quantity | 32.0 PER INCH 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 |
| Part Number | Manufacturer |
|---|---|
| Z5 PRIMARY | Vulcan Electric Co Div Vulcan Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 7103186 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
NSN 4520-00-930-5403 is a Heating Element,electrical,nonim, manufactured by Vulcan Electric Co Div Vulcan Electric Company, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-930-5403 has 1 manufacturer part number on file: Z5 (Vulcan Electric Co Div Vulcan Electric Company).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-947-4171, 6670-01-077-8179. Verify interchangeability with system specifications before substitution.
Key specifications for Z5: Phase: SINGLE SINGLE VOLTAGE; Terminal Quantity: 4; Length: 7.328 INCHES NOMINAL IN; Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE. 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.