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NSN 4520-01-686-5560Government record, cited

Heater, Water, Electric4520-01-686-5560

NSN 4520-01-686-5560 · NIIN 016865560 · Part number 9990047009
A. O. Smith Corporation Dba a O Smith Corp · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 33409
Government record, cited
NSN 4520-01-686-5560 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-686-5560. Manufacturer of record part number: 9990047009.
Also searched as  4520-01-686-5560 · 4520016865560 · NIIN 016865560 · 01-686-5560 · FSC 4520 Space and Water Heating Equipment · CAGE 33409 · 9990047009
Nearby stock numbers  ·
Features
  • Heater,water,electric — FSC 4520
  • Phase: THREE
  • Heating Element Wattage Rating: 6000.0 SINGLE
  • Voltage in Volts and Current Type: 480.0 AC
  • Overall Diameter: 20.500 INCHES NOMINAL IN
  • Capacity: 50.0 GALLONS TANK
  • 1 manufacturer part number on file
  • Manufacturer of record: A. O. Smith Corporation Dba a O Smith Corp
Identification
  • NSN: 4520-01-686-5560
  • NIIN: 016865560
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 9990047009
  • Manufacturer: A. O. Smith Corporation Dba a O Smith Corp
General Description

The Heater,water,electric, cataloged under National Stock Number 4520-01-686-5560, 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 A. O. Smith Corporation Dba a O Smith 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
NSN4520-01-686-5560
Primary Part Number9990047009
Item NameHeater,water,electric
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerA. O. Smith Corporation Dba a O Smith Corp
StatusACTIVE
PhaseTHREE
Heating Element Wattage Rating6000.0 SINGLE
Voltage in Volts and Current Type480.0 AC
Overall Diameter20.500 INCHES NOMINAL IN
Capacity50.0 GALLONS TANK
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
9990047009 PRIMARY A. O. Smith Corporation Dba a O Smith 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 4520-01-686-5560?

NSN 4520-01-686-5560 is a Heater,water,electric, manufactured by A. O. Smith Corporation Dba a O Smith Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-686-5560?

NSN 4520-01-686-5560 has 1 manufacturer part number on file: 9990047009 (A. O. Smith Corporation Dba a O Smith Corp).

What are the specifications of 9990047009?

Key specifications for 9990047009: Overall Height: 54.875 INCHES NOMINAL IN; Phase: THREE; Heating Element Wattage Rating: 6000.0 SINGLE; Voltage in Volts and Current Type: 480.0 AC. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-686-5560 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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