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NSN 4520-01-250-7082Government record, cited

Heater, Duct Type, Stationary4520-01-250-7082

NSN 4520-01-250-7082 · NIIN 012507082 · Part number TL2825
Williams International Co., L.l.c. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 24235
Government record, cited
NSN 4520-01-250-7082 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-250-7082. Manufacturer of record part number: TL2825.
Also searched as  4520-01-250-7082 · 4520012507082 · NIIN 012507082 · 01-250-7082 · FSC 4520 Space and Water Heating Equipment · CAGE 24235 · TL2825
Nearby stock numbers  ·
Features
  • Heater,duct Type,stationary — FSC 4520
  • Heat Delivery Rate: 1680000.0 BRITISH THERMAL UNIT
  • Heat Medium Type: AIR
  • Height: 51.000 INCHES NOMINAL IN
  • Depth: 168.000 INCHES NOMINAL IN
  • Width: 82.000 INCHES NOMINAL IN
  • Mounting Type: CEILING RECESSED
  • Heating Element Type: BURNER
Identification
  • NSN: 4520-01-250-7082
  • NIIN: 012507082
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: TL2825
  • Manufacturer: Williams International Co., L.l.c.
General Description

The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-250-7082, 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 Williams International Co., L.l.c.. Government technical data includes 7 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
NSN4520-01-250-7082
Primary Part NumberTL2825
Item NameHeater,duct Type,stationary
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Heat Delivery Rate1680000.0 BRITISH THERMAL UNIT
Heat Medium TypeAIR
Height51.000 INCHES NOMINAL IN
Depth168.000 INCHES NOMINAL IN
Width82.000 INCHES NOMINAL IN
Mounting TypeCEILING RECESSED
Heating Element TypeBURNER
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
TL2825 PRIMARY Williams International Co., L.l.c. (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 4520-01-250-7082?

NSN 4520-01-250-7082 is a Heater,duct Type,stationary, manufactured by Williams International Co., L.l.c., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-250-7082?

NSN 4520-01-250-7082 has 1 manufacturer part number on file: TL2825 (Williams International Co., L.l.c.).

What are the specifications of TL2825?

Key specifications for TL2825: Heat Delivery Rate: 1680000.0 BRITISH THERMAL UNIT; Heat Medium Type: AIR; Height: 51.000 INCHES NOMINAL IN; Depth: 168.000 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-250-7082 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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