The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-559-1741, 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 Vulcan Electric Co Ltd. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-559-1741 |
| Primary Part Number | FS1508 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Vulcan Electric Co Ltd |
| Status | ACTIVE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 3.875 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 110.0 AC SINGLE VOLTAGE |
| Body Style | STRIP, FINNED |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 250.0 SINGLE VOLTAGE |
| Terminal Length | 0.625 INCHES NOMINAL IN |
| Mounting Facility Length | 0.500 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 3.875 INCHES NOMINAL IN |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 1 |
| Terminal Arrangement Style | PARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.375 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 5.000 INCHES NOMINAL IN |
| Thread Series Designator | UNF STUD |
| Mounting Facility Width | 0.313 INCHES NOMINAL IN |
| Thread Quantity | 32.0 PER INCH STUD |
| 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 |
|---|---|
| FS1508 PRIMARY | Vulcan Electric Co Ltd (CAN) |
NSN 4520-00-559-1741 is a Heating Element,electrical,nonim, manufactured by Vulcan Electric Co Ltd, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-559-1741 has 1 manufacturer part number on file: FS1508 (Vulcan Electric Co Ltd).
Key specifications for FS1508: Phase: NOT RATED SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 3.875 INCHES NOMINAL IN. 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.