The Heating Element,electrical,immer, cataloged under National Stock Number 4540-01-128-1334, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-128-1334 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Status | ACTIVE |
| Flange Diameter | 13.500 INCHES NOMINAL IN |
| Phase | THREE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 3 |
| Length | 48.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | FLANGE TYPE |
| Hole or Slot Quantity | 8 |
| Flange Thickness | 1.125 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 90000.0 SINGLE VOLTAGE |
| Terminal Length | 0.500 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 48.000 INCHES NOMINAL IN |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Bolt Circle Diameter | 11.750 INCHES NOMINAL IN |
| Conduit Opening Size | 1.500 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER SHEATH |
| Hole Diameter | 0.750 INCHES NOMINAL IN |
| Element Quantity | 18 |
| 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 |
|---|---|
| 2-6961-IH | 3/2 Design control — primary reference U.S. Government activity |
| PFC-900518-8 | 5/9 Secondary reference Allied Sales Corp Dba Thermalink Atlantic |
NSN 4540-01-128-1334 is a Heating Element,electrical,immer, classified under FSC 4540, Waste Disposal Equipment. Status: active.
Key specifications for 4540-01-128-1334: Flange Diameter: 13.500 INCHES NOMINAL IN; Phase: THREE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 3. 21 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.