The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-026-0866, 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 Valad Electric Heating Corp.. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-026-0866 |
| Primary Part Number | VDH-255A |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Valad Electric Heating Corp. |
| Status | ACTIVE |
| Phase | THREE SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Length | 15.312 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | STRIP, FINNED |
| Hole or Slot Quantity | 4 |
| Flange Thickness | 0.109 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.500 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 600.0 SINGLE VOLTAGE |
| Terminal Length | 0.438 INCHES NOMINAL IN |
| Mounting Facility Length | 2.000 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 17.750 INCHES NOMINAL IN |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Terminal Arrangement Style | PARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN |
| Element Radiation Spectrum | NONINFRARED |
| Width | 2.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL IN |
| Material | MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material | STEEL COMP 316 SHEATH |
| Material | NICKEL ALLOY D AND NICKEL ALLOY E RESISTANCE WIRE |
| Mounting Facility Width | 2.000 INCHES NOMINAL IN |
| Hole Diameter | 0.164 INCHES NOMINAL IN |
| 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 |
|---|---|
| VDH-255A PRIMARY | Valad Electric Heating Corp. (USA) |
| Reference | Meaning |
|---|---|
| 75-201A-1 | D/9 Drawing number reference only Valad Electric Heating Corp. |
NSN 4520-01-026-0866 is a Heating Element,electrical,nonim, manufactured by Valad Electric Heating Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-026-0866 has 1 manufacturer part number on file: VDH-255A (Valad Electric Heating Corp.).
Key specifications for VDH-255A: Phase: THREE SINGLE VOLTAGE; Terminal Quantity: 2; Length: 15.312 INCHES NOMINAL IN; Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE. 25 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.