The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-820-6584, 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 Lockheed Martin Librascope Corporation. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-820-6584 |
| Primary Part Number | BUWEPSDWG2163138 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| FSC Application Data | CONTROLS,COMPUTER |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 12.375 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, SCREW PLUG TYPE |
| Maximum Wattage Rating in Watts | 200.0 SINGLE VOLTAGE |
| Terminal Length | 0.500 INCHES NOMINAL IN |
| Mounting Facility Length | 0.690 INCHES NOMINAL IN |
| Element Connection Style | HERMETICALLY SEALED STUD |
| Mounting Method Style | AXIAL STUD TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.138 INCHES STUD IN |
| Nominal Thread Size | 0.562 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | NICKEL ALLOY SHEATH |
| Material | NICKEL ALLOY RESISTANCE WIRE |
| Thread Series Designator | UNF MOUNTING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Thread Quantity | 32.0 PER INCH STUD |
| Thread Quantity | 18.0 PER INCH MOUNTING FACILITY |
| 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 |
|---|---|
| BUWEPSDWG2163138 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| 2163138 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| L515000002 | 5/1 Secondary reference Lockheed Martin Librascope Corporation |
| E153815 | 5/1 Secondary reference Trans-Therm Inc |
| 002123 | 5/1 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-00-820-6584 is a Heating Element,electrical,nonim, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-820-6584 has 2 manufacturer part numbers on file: BUWEPSDWG2163138 (Lockheed Martin Librascope Corporation), 2163138 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for BUWEPSDWG2163138: FSC Application Data: CONTROLS,COMPUTER; Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2. 23 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.