The Heating Element,electrical,immer, cataloged under National Stock Number 4520-00-431-9996, 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 Cam Fabricated Systems Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-431-9996 |
| Primary Part Number | 20000300 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Cam Fabricated Systems Inc |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Length | 16.375 INCHES NOMINAL IN |
| Body Style | TUBULAR, DOUBLE COIL, DOUBLE TERMINALS |
| Terminal Length | 0.375 INCHES NOMINAL IN |
| Mounting Facility Length | 0.562 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 13.000 INCHES NOMINAL IN |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.500 INCHES SCREW IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NEAR INFRARED |
| Material | COPPER SHEATH |
| Thread Series Designator | UNF SCREW |
| Thread Quantity | 20.0 PER INCH SCREW |
| Element Quantity | 1 |
| 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 |
|---|---|
| 20000300 PRIMARY | Cam Fabricated Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| G110-601 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4520-00-431-9996 is a Heating Element,electrical,immer, manufactured by Cam Fabricated Systems Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-431-9996 has 1 manufacturer part number on file: 20000300 (Cam Fabricated Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-007-6487. Verify interchangeability with system specifications before substitution.
Key specifications for 20000300: Terminal Quantity: 2; Length: 16.375 INCHES NOMINAL IN; Body Style: TUBULAR, DOUBLE COIL, DOUBLE TERMINALS; Terminal Length: 0.375 INCHES NOMINAL IN. 15 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.