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PartsTable / COMPONENT / EH31-H
EH31-H ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
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: 8.000 INCHES NOMINAL IN, phase: THREE, width: 51.000 INCHES NOMINAL IN, height: 15.250 INCHES NOMINAL IN, duct_width: 42.000 INCHES IN, duct_height: 12.250 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-250-7081, 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
EH31-H
NSN: 4520-01-250-7081
FSC: 4520
CAGE: 17032 — VALAD ELECTRIC HEATING CORP. (USA)
SPECIFICATIONS
depth8.000 INCHES NOMINAL IN
phaseTHREE
width51.000 INCHES NOMINAL IN
height15.250 INCHES NOMINAL IN
duct_width42.000 INCHES IN
duct_height12.250 INCHES IN
current_typeAC
mounting_typeVENTILATION DUCT
heat_medium_typeAIR
special_featuresMANUAL RESET
voltage_in_volts440.0
frequency_in_hertz60.0
NSN4520-01-250-7081
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,DUCT TYPE,STATIONARY TITLE COMPONENT PN EH31-H MFR HEATER,DUCT TYPE,STATI
KEY FEATURES
•
DUCT WIDTH: 42.000 INCHES IN
•
FREQUENCY IN HERTZ: 60.0
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-22594 GOVERNMENT SPECIFICATION
•
PHASE: THREE
•
HEIGHT: 15.250 INCHES NOMINAL IN
•
CURRENT TYPE: AC
•
WIDTH: 51.000 INCHES NOMINAL IN
•
HEAT MEDIUM TYPE: AIR
TECHNICAL CHARACTERISTICS (FLIS)
DUCT WIDTH42.000 INCHES IN
FREQUENCY IN HERTZ60.0
SPECIFICATION/STANDARD DATA81349-MIL-H-22594 GOVERNMENT SPECIFICATION
PHASETHREE
HEIGHT15.250 INCHES NOMINAL IN
CURRENT TYPEAC
WIDTH51.000 INCHES NOMINAL IN
HEAT MEDIUM TYPEAIR
DEPTH8.000 INCHES NOMINAL IN
MOUNTING TYPEVENTILATION DUCT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
22BInterchangeable
interchangeable cross-reference
interchangeable
EH3-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-22594Interchangeable
Same NIIN cross-reference
interchangeable
106-056816-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EH31-H?
EH31-H is a HEATER,DUCT TYPE,STATIONARY.
What parts can replace EH31-H?
There are 4 known substitutes for EH31-H: 22B, EH3-1, MIL-H-22594 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EH31-H?
EH31-H is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-250-7081. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026