The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-587-9953, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-587-9953 |
| Primary Part Number | VDHL-18X12-2(48.0-3)-18CBD |
| Item Name | Heater,ventilation,duct Type |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Valad Electric Heating Corp. |
| Status | ACTIVE |
| Heating Element Type | ELECTRIC NONIMMERSION |
| 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 |
|---|---|
| VDHL-18X12-2(48.0-3)-18CBD PRIMARY | Valad Electric Heating Corp. (USA) |
| 28023-512-0506 REV A | Imeco Inc (USA) |
| Reference | Meaning |
|---|---|
| VDHL 18X16-2(48.0-3)-18CBD | 5/9 Secondary reference Imeco Inc |
NSN 4520-01-587-9953 is a Heater,ventilation,duct Type, manufactured by Valad Electric Heating Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-587-9953 has 2 manufacturer part numbers on file: VDHL-18X12-2(48.0-3)-18CBD (Valad Electric Heating Corp.), 28023-512-0506 REV A (Imeco Inc).
Key specifications for VDHL-18X12-2(48.0-3)-18CBD: Special Features: ITEM IS 8.0KW, 450V, 3PH V; Part Name Assigned by Controlling Agency: RH H18 DUCT HEATER VDHL 18X16-2(48.0-3)-18CBD 8.0 KW, 450 VOLTS, 3 PHASE; End Item Identification: RH H18; Heating Element Type: ELECTRIC NONIMMERSION. 1 specification is 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.