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Technical Data Sheet
PartsTable / MRO / 187641
187641 ✓ 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,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 width: 8.000 INCHES NOMINAL IN, length: 0.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, thickness: 0.250 INCHES NOMINAL IN, top_style: FLAT, anode_type: PLAIN FOIL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-234-3933, 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→ 187641
NSN: 5977-00-234-3933
FSC: 5977
CAGE: 20019 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
width8.000 INCHES NOMINAL IN
length0.500 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
thickness0.250 INCHES NOMINAL IN
top_styleFLAT
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.656 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
body_diameter0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
terminal_length1.500 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
style_designatorONE PIECE
terminal_diameter0.032 INCHES NOMINAL IN
NSN5977-00-234-3933
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 187641 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
•
CRITICALITY CODE JUSTIFICATION: ZZZY
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
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
187641Interchangeable
interchangeable cross-reference
interchangeable
23400007Interchangeable
interchangeable cross-reference
interchangeable
PSB15923SMT5PCTInterchangeable
interchangeable cross-reference
interchangeable
30D506G006CB2Interchangeable
interchangeable cross-reference
interchangeable
670961Interchangeable
interchangeable cross-reference
interchangeable
01-0030PC19Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 187641?
187641 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 187641?
There are 7 known substitutes for 187641: 187641, 23400007, PSB15923SMT5PCT and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 187641?
187641 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-234-3933. 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