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1744K4 — HEATER,SPACE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1744K4: HEATER,SPACE.

The HEATER,SPACE is a the manufacturer industrial component. Key specifications include depth: 34.000 INCHES NOMINAL IN, width: 16.000 INCHES NOMINAL IN, height: 20.000 INCHES NOMINAL IN, fuel_type: FUEL OIL AND KEROSENE, mounting_type: WHEEL, ignition_method: GLOW PLUG. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-258-8043, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1744K4
NSN: 4520-01-258-8043
FSC: 4520 — Space and Water Heating Equipment
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
depth34.000 INCHES NOMINAL IN
width16.000 INCHES NOMINAL IN
height20.000 INCHES NOMINAL IN
fuel_typeFUEL OIL AND KEROSENE
mounting_typeWHEEL
ignition_methodGLOW PLUG
fuel_feed_methodEXTERNAL PUMP
heat_delivery_rate60000.0 BRITISH THERMAL UNIT
heating_element_typeBURNER
operating_control_typeTHERMOSTATIC
NSN4520-01-258-8043
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,SPACE TITLE COMPONENT PN 1744K4 MFR HEATER,SPACE
KEY FEATURES
•
HEAT DELIVERY RATE: 60000.0 BRITISH THERMAL UNIT
•
FUEL TYPE: FUEL OIL AND KEROSENE
•
HEIGHT: 20.000 INCHES NOMINAL IN
•
DEPTH: 34.000 INCHES NOMINAL IN
•
WIDTH: 16.000 INCHES NOMINAL IN
•
IGNITION METHOD: GLOW PLUG
•
MOUNTING TYPE: WHEEL
•
FUEL FEED METHOD: EXTERNAL PUMP
TECHNICAL CHARACTERISTICS
HEAT DELIVERY RATE60000.0 BRITISH THERMAL UNIT
FUEL TYPEFUEL OIL AND KEROSENE
HEIGHT20.000 INCHES NOMINAL IN
DEPTH34.000 INCHES NOMINAL IN
WIDTH16.000 INCHES NOMINAL IN
IGNITION METHODGLOW PLUG
MOUNTING TYPEWHEEL
FUEL FEED METHODEXTERNAL PUMP
HEATING ELEMENT TYPEBURNER
OPERATING CONTROL TYPETHERMOSTATIC
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 4520-00-000-0099 4520-00-001-1240 4520-00-001-3518 4520-00-001-3519 4520-00-001-6052 4520-00-001-6298 4520-00-001-7726
SUBSTITUTES & CROSS-REFERENCES 2
1746K7Reference document
Same NSN cross-reference
Reference document — Secondary reference
1744K23Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1744K4?
1744K4 is a HEATER,SPACE.
What parts can replace 1744K4?
There are 2 known substitutes for 1744K4: 1746K7, 1744K23. Substitute compatibility should be verified for your specific system.
What is the NSN for 1744K4?
1744K4 is cataloged in the U.S. Government catalog under NSN 4520-01-258-8043. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.