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Technical Data Sheet
C54321 ✓ 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 length: 0.250 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.000 INCHES MINIMUM IN, overall_length: 2.375 INCHES NOMINAL IN, shank_diameter: 0.255 INCHES MINIMUM IN, style_designator: STRAIGHT FLUTE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-729-5684, 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
C54321
NSN: 5136-00-729-5684
FSC: 5136
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
length0.250 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length1.000 INCHES MINIMUM IN
flute_quantity4
overall_length2.375 INCHES NOMINAL IN
shank_diameter0.255 INCHES MINIMUM IN
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats0.152 INCHES NOMINAL IN
starting_chamfer_typeTAPER
thread_forming_methodGROUND
NSN5136-00-729-5684
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN C54321 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
THREAD STRUCTURE: REGULAR
STYLE DESIGNATOR: STRAIGHT FLUTE
FLUTE QUANTITY: 4
SPECIFICATION/STANDARD DATA: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.190-24 UNIFIED NATIONAL COARSE (UNC)
MATERIAL: STEEL OVERALL
STARTING CHAMFER TYPE: TAPER
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)
OVERALL LENGTH2.375 INCHES NOMINAL IN
THREAD STRUCTUREREGULAR
STYLE DESIGNATORSTRAIGHT FLUTE
FLUTE QUANTITY4
SPECIFICATION/STANDARD DATA05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-24 UNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
STARTING CHAMFER TYPETAPER
THREAD FORMING METHODGROUND
LENGTH0.250 INCHES NOMINAL SQUARE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
SES153-20Interchangeable
interchangeable cross-reference
interchangeable
16054-008Interchangeable
interchangeable cross-reference
interchangeable
153-20Interchangeable
interchangeable cross-reference
interchangeable
B94-9 3/4-10 UNC HS G H4Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-60 TY1SEAST1Interchangeable
interchangeable cross-reference
interchangeable
B94.9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C54321?
C54321 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace C54321?
There are 25 known substitutes for C54321: SES153-20, 16054-008, 153-20 and 22 more. Substitute compatibility should be verified for your specific system.
Is C54321 still available?
C54321 is currently cancelled.
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