The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-517-4740, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-517-4740 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Phase | THREE SINGLE VOLTAGE |
| Voltage in Volts and Current Type | 480.0 AC SINGLE VOLTAGE |
| Maximum Wattage Rating in Watts | 8500.0 SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 12405 | 3/9 Design control — primary reference Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems |
| 12405 | C/1 Advisory reference — outside the item-of-supply concept Itw Gse Inc. |
NSN 4520-01-517-4740 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): 4140-01-564-2203, 5110-01-655-8001. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-01-517-4740: Phase: THREE SINGLE VOLTAGE; Voltage in Volts and Current Type: 480.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 8500.0 SINGLE VOLTAGE; Special Features: 8.5KW; 23 INCH LONG IN. 3 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.
NSN 4520-01-517-4740 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.