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Technical Data Sheet
326251 ✓ 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 inclosure_type: UNINCLOSED, style_designator: PLAIN WASHER, washer_thickness: 0.179 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN, body_outside_diameter: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, reliability_indicator: NOT ESTABLISHED, zero_power_resistance: 415.000 OHMS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-717-4622, 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 326251
NSN: 5905-00-717-4622
FSC: 5905
CAGE: 06351 — MICROWAVE ENGINEERING CORPORATION (USA)
SPECIFICATIONS
inclosure_typeUNINCLOSED
style_designatorPLAIN WASHER
washer_thickness0.179 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
body_outside_diameter0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
zero_power_resistance415.000 OHMS
maximum_operating_temp85.0 CELSIUS DEGC
terminal_type_and_quantity2 SURFACE CONTACT
reference_temp_in_deg_celsius25.0
unthreaded_mounting_hole_diameter0.276 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
power_dissipation_constant_in_milliwatts_per_deg_celsius170.0
zero_power_resistance_tolerance_in_percent_at_reference_temp-10.0 TO 10.0
NSN5905-00-717-4622
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,THERMAL TITLE COMPONENT PN 326251 MFR RESISTOR,THERMAL
KEY FEATURES
MAXIMUM OPERATING TEMP: 85.0 CELSIUS DEGC
BODY OUTSIDE DIAMETER: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
STYLE DESIGNATOR: PLAIN WASHER
UNTHREADED MOUNTING HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
INCLOSURE TYPE: UNINCLOSED
ZERO POWER TEMP COEFFICIENT OF RESISTANCE IN PERCENT PER DEG CELSIUS: -4.40
WASHER THICKNESS: 0.179 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
RELIABILITY INDICATOR: NOT ESTABLISHED
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP85.0 CELSIUS DEGC
BODY OUTSIDE DIAMETER0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN WASHER
UNTHREADED MOUNTING HOLE DIAMETER0.276 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
INCLOSURE TYPEUNINCLOSED
ZERO POWER TEMP COEFFICIENT OF RESISTANCE IN PERCENT PER DEG CELSIUS-4.40
WASHER THICKNESS0.179 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
RELIABILITY INDICATORNOT ESTABLISHED
REFERENCE TEMP IN DEG CELSIUS25.0
POWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS170.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
326-251Interchangeable
interchangeable cross-reference
interchangeable
9001TR4Interchangeable
interchangeable cross-reference
interchangeable
TYPETR4CLASS9001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 326251?
326251 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 326251?
There are 3 known substitutes for 326251: 326-251, 9001TR4, TYPETR4CLASS9001. Substitute compatibility should be verified for your specific system.
What is the NSN for 326251?
326251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-717-4622. This indicates validated use in U.S. government and defense supply chains.
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