The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-308-6538, 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.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-308-6538 |
| Primary Part Number | VDH 14X22-2(414.4-3)18-(SP) |
| Item Name | Heater,ventilation,duct Type |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Valad Electric Heating Corp. |
| Status | ACTIVE |
| 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 |
|---|---|
| DWG. NO 77-1017-1 | Valad Electric Heating Corp. (USA) |
| VDH 14X22-2(414.4-3)18-(SP) PRIMARY | Valad Electric Heating Corp. (USA) |
| Reference | Meaning |
|---|---|
| 3257161 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4520-01-308-6538 is a Heater,ventilation,duct Type, manufactured by Valad Electric Heating Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-308-6538 has 2 manufacturer part numbers on file: DWG. NO 77-1017-1 (Valad Electric Heating Corp.), VDH 14X22-2(414.4-3)18-(SP) (Valad Electric Heating Corp.).
Key specifications for VDH 14X22-2(414.4-3)18-(SP): Special Features: ITEM IS RATED A 14.4KW POWER SOURCE,440 VOLTS,60 HZ 3 PHASE. 0 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.