The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-540-3754, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-540-3754 |
| Primary Part Number | X20T5I6S1W28XX |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| Length | 28.000 INCHES NOMINAL IN |
| Body Style | FLANGE, TYPE |
| Watt Density Rating | 50.0 PER SQUARE INCH SINGLE VOLTAGE |
| Material | NICKEL ALLOY SHEATH |
| Material | STEEL CORROSION RESISTING RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Element Quantity | 6 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 04-1005-04 ITEM 5 | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| X20T5I6S1W28XX PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
NSN 4520-01-540-3754 is a Heating Element,electrical,immer, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-540-3754 has 2 manufacturer part numbers on file: 04-1005-04 ITEM 5 (The Electric Heater Co Dba Hubbell Electric Heater Co.), X20T5I6S1W28XX (The Electric Heater Co Dba Hubbell Electric Heater Co.).
Key specifications for X20T5I6S1W28XX: Length: 28.000 INCHES NOMINAL IN; Body Style: FLANGE, TYPE; Overall Length: 32.000 INCHES NOMINAL IN; Watt Density Rating: 50.0 PER SQUARE INCH SINGLE VOLTAGE. 6 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.