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Technical Data Sheet
AASK-43931 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The HEATER,DUCT TYPE,STATIONARY is a the manufacturer industrial component. Key specifications include depth: 5.500 INCHES NOMINAL IN, phase: SINGLE OR THREE, width: 27.125 INCHES NOMINAL IN, height: 22.562 INCHES NOMINAL IN, current_type: AC, mounting_type: VENTILATION DUCT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-437-5589, 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
AASK-43931
NSN: 4520-01-437-5589
FSC: 4520
CAGE: 65586 — CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC (USA)
SPECIFICATIONS
depth5.500 INCHES NOMINAL IN
phaseSINGLE OR THREE
width27.125 INCHES NOMINAL IN
height22.562 INCHES NOMINAL IN
current_typeAC
mounting_typeVENTILATION DUCT
heat_medium_typeAIR
special_featuresAUTOMATIC CUT-OUT AT 400.0 DEG F; MANUAL RESET BUTTON DEGF
voltage_in_volts240.0
frequency_in_hertz60.0
heat_delivery_rate85300.0 BRITISH THERMAL UNIT
inclosure_materialSTEEL CORROSION RESISTING
NSN4520-01-437-5589
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,DUCT TYPE,STATIONARY TITLE COMPONENT PN AASK-43931 MFR HEATER,DUCT TYPE,STATI
KEY FEATURES
OPERATING CONTROL TYPE: THERMOSTATIC
CURRENT RATING IN AMPS: 104.2
PHASE: SINGLE OR THREE
HEIGHT: 22.562 INCHES NOMINAL IN
HEAT DELIVERY RATE: 85300.0 BRITISH THERMAL UNIT
VOLTAGE IN VOLTS: 240.0
INCLOSURE MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING CONTROL TYPETHERMOSTATIC
CURRENT RATING IN AMPS104.2
PHASESINGLE OR THREE
HEIGHT22.562 INCHES NOMINAL IN
HEAT DELIVERY RATE85300.0 BRITISH THERMAL UNIT
VOLTAGE IN VOLTS240.0
SPECIAL FEATURESAUTOMATIC CUT-OUT AT 400.0 DEG F; MANUAL RESET BUTTON DEGF
INCLOSURE MATERIALSTEEL CORROSION RESISTING
DEPTH5.500 INCHES NOMINAL IN
MOUNTING TYPEVENTILATION DUCT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
54-58Interchangeable
interchangeable cross-reference
interchangeable
62999Interchangeable
interchangeable cross-reference
interchangeable
4539FPC66Interchangeable
interchangeable cross-reference
interchangeable
143931Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AASK-43931?
AASK-43931 is a HEATER,DUCT TYPE,STATIONARY.
What parts can replace AASK-43931?
There are 4 known substitutes for AASK-43931: 54-58, 62999, 4539FPC66 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AASK-43931?
AASK-43931 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-437-5589. This indicates validated use in U.S. government and defense supply chains.
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