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Technical Data Sheet
PartsTable / MRO / 326391
326391 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include shape: STRAIGHT, diameter: 0.250 INCHES NOMINAL IN, material: TUNGSTEN CARBIDE, mounting_shank: INCLUDED, overall_diameter: 0.250 INCHES NOMINAL IN, special_features: RH SPIRAL FLUTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-497-3708, 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→ 326391
NSN: 5815-00-497-3708
FSC: 5815
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
shapeSTRAIGHT
diameter0.250 INCHES NOMINAL IN
materialTUNGSTEN CARBIDE
mounting_shankINCLUDED
overall_diameter0.250 INCHES NOMINAL IN
special_featuresRH SPIRAL FLUTING
style_designatorBALL SHAPE
removability_featureNOT INCLUDED
shank_overall_length2.000 INCHES NOMINAL IN
cutter_tooth_cut_styleMEDIUM
cutting_surface_length0.250 INCHES NOMINAL IN
cutter_tooth_shaping_methodGROUND FROM SOLID
NSN5815-00-497-3708
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 326391 MFR CAPACITOR,FIXED,PAPER
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
TC-12-MInterchangeable
interchangeable cross-reference
interchangeable
048-1033-20Interchangeable
interchangeable cross-reference
interchangeable
CCB-WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 326391?
326391 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 326391?
There are 3 known substitutes for 326391: TC-12-M, 048-1033-20, CCB-W. Substitute compatibility should be verified for your specific system.
What is the NSN for 326391?
326391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-497-3708. 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