The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-020-7155, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-020-7155 |
| Primary Part Number | VDH282A |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Valad Electric Heating Corp. |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 7.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | FINNED, TUBULAR, TERMINAL'S AT EACH END |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 266.0 SINGLE VOLTAGE |
| Terminal Length | 1.000 INCHES NOMINAL IN |
| Mounting Facility Length | 2.000 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.164 INCHES STUD IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.625 INCHES NOMINAL IN |
| Material | CHROMIUM AND NICKEL RESISTANCE WIRE |
| Material | STEEL CORROSION RESISTING SHEATH |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Mounting Facility Width | 1.500 INCHES NOMINAL IN |
| Thread Quantity | 32.0 PER INCH STUD |
| Hole Diameter | 0.228 INCHES NOMINAL IN |
| Element Quantity | 3 |
| 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 |
|---|---|
| VDH282A PRIMARY | Valad Electric Heating Corp. (USA) |
| Reference | Meaning |
|---|---|
| 75-412-1 | D/9 Drawing number reference only Valad Electric Heating Corp. |
| VDH-282A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4520-01-020-7155 is a Heating Element,electrical,nonim, manufactured by Valad Electric Heating Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-020-7155 has 1 manufacturer part number on file: VDH282A (Valad Electric Heating Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-366-7557. Verify interchangeability with system specifications before substitution.
Key specifications for VDH282A: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 7.750 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.