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Technical Data Sheet
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564403 ✓ 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 top_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.250 INCHES NOMINAL IN, overall_height: 0.750 INCHES NOMINAL IN, thread_location: MOUNTING FACILITY AND ELECTRICAL TERMINATION, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: PILLAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-231-4322, 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
564403
NSN: 5970-00-231-4322
FSC: 5970
CAGE: 57733 — STEWART-WARNER CORPORATION (USA)
SPECIFICATIONS
top_diameter0.375 INCHES NOMINAL IN
thread_length0.250 INCHES NOMINAL IN
overall_height0.750 INCHES NOMINAL IN
thread_locationMOUNTING FACILITY AND ELECTRICAL TERMINATION
outside_diameter0.500 INCHES NOMINAL IN
style_designatorPILLAR
end_item_identificationSWITCHES
identification_code_colorWHITE
thread_class_and_location2B ELECTRICAL TERMINATION AND 2B MOUNTING FACILITY
screw_thread_diameter_and_location0.138 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.138 MOUNTING FACILITY INCHES NOMINAL
mounting_facility_type_and_quantity2 THREADED HOLE(S)
part_name_assigned_by_controlling_agencySWITCH,PROXIMITY
NSN5970-00-231-4322
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 564403 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
TOP DIAMETER: 0.375 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(S)
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD LOCATION: MOUNTING FACILITY AND ELECTRICAL TERMINATION
•
IDENTIFICATION CODE COLOR: WHITE
•
THREAD CLASS AND LOCATION: 2B ELECTRICAL TERMINATION AND 2B MOUNTING FACILITY
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)
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
OVERALL HEIGHT0.750 INCHES NOMINAL IN
TOP DIAMETER0.375 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE(S)
THREAD LENGTH0.250 INCHES NOMINAL IN
THREAD LOCATIONMOUNTING FACILITY AND ELECTRICAL TERMINATION
IDENTIFICATION CODE COLORWHITE
THREAD CLASS AND LOCATION2B ELECTRICAL TERMINATION AND 2B MOUNTING FACILITY
SCREW THREAD QUANTITY PER INCH AND LOCATION32 ELECTRICAL TERMINATION AND 32 MOUNTING FACILITY
SCREW THREAD DIAMETER AND LOCATION0.138 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.138 MOUNTING FACILITY INCHES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
31-011Interchangeable
interchangeable cross-reference
interchangeable
441-1031-011Interchangeable
interchangeable cross-reference
interchangeable
TAM11AInterchangeable
interchangeable cross-reference
interchangeable
UG262UInterchangeable
interchangeable cross-reference
interchangeable
13787Interchangeable
interchangeable cross-reference
interchangeable
7480736-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 564403?
564403 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 564403?
There are 20 known substitutes for 564403: 31-011, 441-1031-011, TAM11A and 17 more. Substitute compatibility should be verified for your specific system.
Is 564403 still available?
564403 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026