PartsTable TECHNICAL DATA SHEET
NSN 4520-01-310-9274Government record, cited

Heater, Duct Type, Stationary4520-01-310-9274

NSN 4520-01-310-9274 · NIIN 013109274 · Part number VDH55
Valad Electric Heating Corp. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 17032
Government record, cited
NSN 4520-01-310-9274 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-310-9274. Manufacturer of record part number: VDH55.
Also searched as  4520-01-310-9274 · 4520013109274 · NIIN 013109274 · 01-310-9274 · FSC 4520 Space and Water Heating Equipment · CAGE 17032 · VDH55
Nearby stock numbers  ·
Features
  • Heater,duct Type,stationary — FSC 4520
  • Heat Delivery Rate: 9212.4 BRITISH THERMAL UNIT
  • Phase: THREE
  • Current Type: AC
  • Voltage in Volts: 440.0
  • Depth: 5.250 INCHES NOMINAL IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Valad Electric Heating Corp.
Identification
  • NSN: 4520-01-310-9274
  • NIIN: 013109274
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: VDH55
  • Manufacturer: Valad Electric Heating Corp.
General Description

The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-310-9274, 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 5 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.

Technical Specifications
ParameterValue
NSN4520-01-310-9274
Primary Part NumberVDH55
Item NameHeater,duct Type,stationary
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerValad Electric Heating Corp.
StatusACTIVE
Heat Delivery Rate9212.4 BRITISH THERMAL UNIT
PhaseTHREE
Current TypeAC
Voltage in Volts440.0
Depth5.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
VDH55 PRIMARY Valad Electric Heating Corp. (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-01-310-9274?

NSN 4520-01-310-9274 is a Heater,duct Type,stationary, manufactured by Valad Electric Heating Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-310-9274?

NSN 4520-01-310-9274 has 1 manufacturer part number on file: VDH55 (Valad Electric Heating Corp.).

What are the specifications of VDH55?

Key specifications for VDH55: Heat Delivery Rate: 9212.4 BRITISH THERMAL UNIT; Phase: THREE; Current Type: AC; Voltage in Volts: 440.0. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-310-9274 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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