The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-305-0090, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Wellman Thermal Systems Corp (CAGE 58823); Caloritech Inc (CAGE 3AB44) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-305-0090 |
| Primary Part Number | 2527039 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| 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 |
|---|---|
| 2527039 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| IXS2527039 | Wellman Thermal Systems Corp (USA) |
| IXS2527039 | Caloritech Inc (CAN) |
| Reference | Meaning |
|---|---|
| 5222323G4 | 5/9 Secondary reference Wellman Thermal Systems Corp |
NSN 4520-01-305-0090 is a Heating Element,electrical,immer, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-305-0090 has 3 manufacturer part numbers on file: 2527039 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), IXS2527039 (Wellman Thermal Systems Corp), IXS2527039 (Caloritech Inc).
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.