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9188646 ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC 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 phase: THREE, material: COPPER TERMINAL, anode_type: SOLID, body_style: PIGTAIL TYPE, body_width: 1.000 INCHES NOMINAL IN, bore_style: STRAIGHT SPLINE BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-787-7250, 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
9188646
NSN: 3040-00-787-7250
FSC: 3040
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
phaseTHREE
materialCOPPER TERMINAL
anode_typeSOLID
body_stylePIGTAIL TYPE
body_width1.000 INCHES NOMINAL IN
bore_styleSTRAIGHT SPLINE BOTH ENDS
tooth_formSTANDARD
body_height1.000 INCHES NOMINAL IN
body_length1.000 INCHES NOMINAL IN
constructionSTRAIGHT SEAMED
current_typeAC
power_sourceELECTRIC MOTOR
NSN3040-00-787-7250
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 9188646 MFR CAPACITOR,FIXED,ELECTR
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 19
A31MATCHEDSET0F2Interchangeable
interchangeable cross-reference
interchangeable
AP31-2Interchangeable
interchangeable cross-reference
interchangeable
A31 MATCHED SET 2Interchangeable
interchangeable cross-reference
interchangeable
S-312Interchangeable
interchangeable cross-reference
interchangeable
312BLInterchangeable
interchangeable cross-reference
interchangeable
ASTMA312PIPE304NPS2.0SCH40SSMLSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9188646?
9188646 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 9188646?
There are 19 known substitutes for 9188646: A31MATCHEDSET0F2, AP31-2, A31 MATCHED SET 2 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9188646?
9188646 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-787-7250. 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