PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TJF25Burner Assembly,chamber

Engineered Air Systems, Inc. Dba Drs Sustainment Systems · NSN 4520-00-492-1874 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-492-1874 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-492-1874. Primary manufacturer part number: TJF25.
Features
  • Burner Assembly,chamber — FSC 4520
  • General Characteristics Item Description: STEEL,CONSISTS OF ONE EACH TOP,BOTTOM AND STRIP COLLAR,TWO PLAIN AND FOURLOCK WASHERS,FOUR SCREWS AND BOLTS,ONE EACH TOP BOTTOM AND SIDE
  • 6 verified cross-references
  • Primary manufacturer: Engineered Air Systems, Inc. Dba Drs Sustainment Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Burner Assembly,chamber, cataloged under National Stock Number 4520-00-492-1874, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Engineered Air Systems, Inc. Dba Drs Sustainment Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-492-1874
Primary Part NumberTJF25
Item NameBurner Assembly,chamber
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerEngineered Air Systems, Inc. Dba Drs Sustainment Systems
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,CONSISTS OF ONE EACH TOP,BOTTOM AND STRIP COLLAR,TWO PLAIN AND FOURLOCK WASHERS,FOUR SCREWS AND BOLTS,ONE EACH TOP BOTTOM AND SIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3455-00-250-0789 INTERCHANGEABLE
Cutter,milling,end
5330-01-179-5916 INTERCHANGEABLE
Gasket
3110-01-276-7526G-16 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
4730-01-278-7436 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
4210-01-458-0567G1-6 INTERCHANGEABLE
Nozzle,fire Extinguisher
Itw Food Equipment Group Llc Dba Gaylord Industries
6685-01-666-9833 INTERCHANGEABLE
Indicator,pressure
Cross-Reference Index
Part NumberManufacturer
TJF25 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
MQ600 Silent Glow Corp the (USA)
25086-8 Hdt Expeditionary Systems Inc (USA)
F2Z Silent Glow Corp the (USA)
5-13-2038PC8 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
G16 Vbm Corp (USA)
Related Parts
3455-00-250-0789INTERCHANGEABLE
CUTTER,MILLING,END
5330-01-179-5916INTERCHANGEABLE
GASKET
3110-01-276-7526INTERCHANGEABLE
BEARING,BALL,THRUST
G-16
4730-01-278-7436INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
4210-01-458-0567INTERCHANGEABLE
NOZZLE,FIRE EXTINGUISHER
G1-6
6685-01-666-9833INTERCHANGEABLE
INDICATOR,PRESSURE

Frequently Asked Questions

What is NSN 4520-00-492-1874?

NSN 4520-00-492-1874 is a Burner Assembly,chamber, manufactured by Engineered Air Systems, Inc. Dba Drs Sustainment Systems, classified under FSC 4520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4520-00-492-1874?

NSN 4520-00-492-1874 has 6 cross-referenced part numbers: TJF25 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), MQ600 (Silent Glow Corp the), 25086-8 (Hdt Expeditionary Systems Inc), F2Z (Silent Glow Corp the), 5-13-2038PC8 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center) and 1 more.

What NSN replaces 4520-00-492-1874?

There are 6 known substitutes for 4520-00-492-1874: 3455-00-250-0789, 5330-01-179-5916, 3110-01-276-7526 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TJF25?

Key specifications for TJF25: General Characteristics Item Description: STEEL,CONSISTS OF ONE EACH TOP,BOTTOM AND STRIP COLLAR,TWO PLAIN AND FOURLOCK WASHERS,FOUR SCREWS AND BOLTS,ONE EACH TOP BOTTOM AND SIDE. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-492-1874 still in active supply?

NSN 4520-00-492-1874 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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