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Technical Data Sheet
PartsTable / MRO / 321A129
321A129 ✓ 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 CAPACITOR is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include body_diameter: 0.375 INCHES NOMINAL IN, body_overall_length: 0.375 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 5910-00-562-7689, 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→ 321A129
NSN: 5910-00-562-7689
FSC: 5910
CAGE: 94990 — MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP (USA)
SPECIFICATIONS
body_diameter0.375 INCHES NOMINAL IN
body_overall_length0.375 INCHES NOMINAL IN
NSN5910-00-562-7689
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR TITLE COMPONENT PN 321A129 MFR CAPACITOR
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 11
21195Interchangeable
interchangeable cross-reference
interchangeable
212696Interchangeable
interchangeable cross-reference
interchangeable
264071Interchangeable
interchangeable cross-reference
interchangeable
X18129Interchangeable
interchangeable cross-reference
interchangeable
X18180Interchangeable
interchangeable cross-reference
interchangeable
ABT11095Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 321A129?
321A129 is a CAPACITOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 321A129?
There are 11 known substitutes for 321A129: 21195, 212696, 264071 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 321A129?
321A129 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-562-7689. 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