The Heating Element,electrical,immer, cataloged under National Stock Number 4540-01-164-9158, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4540-01-164-9158 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Status | ACTIVE |
| Phase | THREE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 6 |
| Length | 15.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC SINGLE VOLTAGE |
| Body Style | PLUG TYPE |
| Maximum Wattage Rating in Watts | 2000.0 SINGLE VOLTAGE |
| Terminal Length | 0.375 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 3 |
| Conduit Opening Size | 0.875 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL SHEATH |
| Thread Series Designator | UNF STUD |
| Thread Quantity | 32 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 | N |
| Reference | Meaning |
|---|---|
| 3P20 | 5/9 Secondary reference U.S. Government activity |
| WE320200-000 | 5/9 Secondary reference U.S. Government activity |
| WL320200-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4540-01-164-9158 is a Heating Element,electrical,immer, classified under FSC 4540, Waste Disposal Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4140-01-395-2039. Verify interchangeability with system specifications before substitution.
Key specifications for 4540-01-164-9158: Phase: THREE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 6; Length: 15.000 INCHES NOMINAL IN. 17 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.