The Heating Element,electrical,immer, cataloged under National Stock Number 4520-00-595-0799, 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24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-00-595-0799 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Phase | THREE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 2.125 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | PLUG TYPE, FLANGED |
| Hole or Slot Quantity | 4 |
| Flange Thickness | 0.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.054 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 3000.0 SINGLE VOLTAGE |
| Terminal Length | 0.688 INCHES NOMINAL IN |
| Mounting Facility Length | 2.750 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 18.125 INCHES NOMINAL IN |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.688 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.054 INCHES NOMINAL IN |
| Material | NICKEL ALLOY RESISTANCE WIRE |
| Material | STEEL SHEATH |
| Mounting Facility Width | 2.750 INCHES NOMINAL IN |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Element Quantity | 2 |
| 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 |
|---|---|
| 153170 | 3/9 Design control — primary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
NSN 4520-00-595-0799 is a Heating Element,electrical,immer, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-020-2507, 5330-01-664-9440. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-00-595-0799: Phase: THREE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 2.125 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.