PartsTable
Technical Data Sheet
PartsTable / MRO / 643493
643493 ✓ 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 material: PLASTIC, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_width: 0.463 INCHES NOMINAL IN, body_height: 0.463 INCHES NOMINAL IN, body_length: 0.938 INCHES NOMINAL IN, construction: LAMINATED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-285-8554, 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→ 643493
NSN: 5365-00-285-8554
FSC: 5365
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialPLASTIC
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_width0.463 INCHES NOMINAL IN
body_height0.463 INCHES NOMINAL IN
body_length0.938 INCHES NOMINAL IN
constructionLAMINATED
body_diameter0.463 INCHES NOMINAL IN
terminal_length1.625 INCHES MINIMUM IN
outside_diameter0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
NSN5365-00-285-8554
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 643493 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
CONSTRUCTION: LAMINATED
•
APERTURE DIAMETER: 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: PLASTIC
•
LAMINATION THICKNESS: 0.061 INCHES NOMINAL IN
•
FEATURES PROVIDED: NONSEPARABLE
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)
CONSTRUCTIONLAMINATED
APERTURE DIAMETER0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIALPLASTIC
LAMINATION THICKNESS0.061 INCHES NOMINAL IN
FEATURES PROVIDEDNONSEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
55197Interchangeable
interchangeable cross-reference
interchangeable
MR3820-60PC49Interchangeable
interchangeable cross-reference
interchangeable
0MEA174-204PC14H3Interchangeable
interchangeable cross-reference
interchangeable
SMC730306Interchangeable
interchangeable cross-reference
interchangeable
DV23Interchangeable
interchangeable cross-reference
interchangeable
643493Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 643493?
643493 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 643493?
There are 15 known substitutes for 643493: 55197, MR3820-60PC49, 0MEA174-204PC14H3 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 643493?
643493 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-285-8554. 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