The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-507-7734, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-507-7734 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 15.240 INCHES MINIMUM AND 15.320 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 236.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, THREADED TERMINALS |
| Maximum Wattage Rating in Watts | 4400.0 SINGLE VOLTAGE |
| Terminal Length | 2.600 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Effective Heating Length | 9.870 INCHES MINIMUM AND 9.950 INCHES MAXIMUM IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL SHEATH |
| Element Quantity | 3 |
| 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 |
|---|---|
| 279249 | 5/9 Secondary reference U.S. Government activity |
| 340469 | 5/9 Secondary reference U.S. Government activity |
| 279606 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-00-507-7734 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-00-722-0576. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-00-507-7734: Phase: NOT RATED SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 15.240 INCHES MINIMUM AND 15.320 INCHES MAXIMUM IN. 14 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.