The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-236-4363, 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 Watlow Electric Manufacturing Co Dba Watlow. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-236-4363 |
| Primary Part Number | 7-30-85-3 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Element Radiation Spectrum | NONINFRARED |
| 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 |
|---|---|
| 7-30-85-3 PRIMARY | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| 24E507009G03 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 24E507009G03 | 5/9 Secondary reference Gms International Corporation Dba Gms |
| 24E507090G03 | 5/9 Secondary reference General Electric Co Aviation Service Seattle of Aviation Service Dept |
| 5749613 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5749618 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4520-01-236-4363 is a Heating Element,electrical,immer, manufactured by Watlow Electric Manufacturing Co Dba Watlow, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-236-4363 has 2 manufacturer part numbers on file: 7-30-85-3 (Watlow Electric Manufacturing Co Dba Watlow), 24E507009G03 (Goodrich Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4130-01-236-5960, 4520-01-236-5964. Verify interchangeability with system specifications before substitution.
Key specifications for 7-30-85-3: Element Radiation Spectrum: NONINFRARED. 1 specification is 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.