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Technical Data Sheet
PartsTable / MRO / 44128-4
44128-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 RESISTOR,THERMAL is a the manufacturer industrial component. Key specifications include body_width: 0.048 INCHES NOMINAL IN, inclosure_type: UNINCLOSED, terminal_length: 1.000 INCHES NOMINAL IN, style_designator: DISK, terminal_diameter: 0.013 INCHES NOMINAL IN, body_outside_diameter: 0.100 INCHES NOMINAL 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 1420-00-492-1383, 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
MRO→ MRO_GENERAL→ 44128-4
NSN: 1420-00-492-1383
FSC: 1420
CAGE: 17200 — UNDERWOOD WILLIAM CO (USA)
SPECIFICATIONS
body_width0.048 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
terminal_length1.000 INCHES NOMINAL IN
style_designatorDISK
terminal_diameter0.013 INCHES NOMINAL IN
body_outside_diameter0.100 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
zero_power_resistance5.000 KILOHMS
maximum_operating_temp125.0 CELSIUS DEGC
terminal_type_and_quantity2 WIRE LEAD
thermal_time_constant_in_seconds10.0
power_dissipation_constant_in_milliwatts_per_deg_celsius3.0
NSN1420-00-492-1383
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,THERMAL TITLE COMPONENT PN 44128-4 MFR RESISTOR,THERMAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
JA35J1Interchangeable
interchangeable cross-reference
interchangeable
1D103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44128-4?
44128-4 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 44128-4?
There are 2 known substitutes for 44128-4: JA35J1, 1D103. Substitute compatibility should be verified for your specific system.
What is the NSN for 44128-4?
44128-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1420-00-492-1383. 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