PartsTable TECHNICAL DATA SHEET
NSN 4520-01-473-1852Government record, cited

Heater, Space, Electric4520-01-473-1852

NSN 4520-01-473-1852 · NIIN 014731852 · Part number 20945.5-3NM
Valad Electric Heating Corp. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 17032
Government record, cited
NSN 4520-01-473-1852 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-473-1852. Manufacturer of record part number: 20945.5-3NM.
Also searched as  4520-01-473-1852 · 4520014731852 · NIIN 014731852 · 01-473-1852 · FSC 4520 Space and Water Heating Equipment · CAGE 17032 · 20945.5-3NM
Nearby stock numbers  ·
Features
  • Heater,space,electric — FSC 4520
  • Heat Delivery Rate: 18766.0 BRITISH THERMAL UNIT
  • Phase: THREE
  • Frequency in Hertz: 50.0 OR 60.0
  • Current Type: AC
  • Inclosure Material: STEEL CORROSION RESISTING
  • Voltage in Volts: 440.0
  • Height: 17.000 INCHES NOMINAL IN
Identification
  • NSN: 4520-01-473-1852
  • NIIN: 014731852
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 20945.5-3NM
  • Manufacturer: Valad Electric Heating Corp.
General Description

The Heater,space,electric, cataloged under National Stock Number 4520-01-473-1852, 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 14 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
NSN4520-01-473-1852
Primary Part Number20945.5-3NM
Item NameHeater,space,electric
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerValad Electric Heating Corp.
StatusACTIVE
Heat Delivery Rate18766.0 BRITISH THERMAL UNIT
PhaseTHREE
Frequency in Hertz50.0 OR 60.0
Current TypeAC
Inclosure MaterialSTEEL CORROSION RESISTING
Voltage in Volts440.0
Height17.000 INCHES NOMINAL IN
Surface TreatmentZINC
Depth14.500 INCHES NOMINAL IN
Width13.500 INCHES NOMINAL IN
Mounting TypeCEILING SUSPENDED
Heating Element TypeELECTRIC NONIMMERSION
Current Rating in Amps12.5
Operating Control TypeHAND SWITCH AND THERMOSTATIC
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
20945.5-3NM 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 4520-01-473-1852?

NSN 4520-01-473-1852 is a Heater,space,electric, manufactured by Valad Electric Heating Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-473-1852?

NSN 4520-01-473-1852 has 1 manufacturer part number on file: 20945.5-3NM (Valad Electric Heating Corp.).

What are the specifications of 20945.5-3NM?

Key specifications for 20945.5-3NM: Heat Delivery Rate: 18766.0 BRITISH THERMAL UNIT; Phase: THREE; Frequency in Hertz: 50.0 OR 60.0; Current Type: AC. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-473-1852 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.
PartsTable Design LLC · partstable.com