PartsTable
Technical Data Sheet
PartsTable / MRO / 101904LU
101904LU ✓ 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 SET,MATCHED 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 shaft_type: ROUND, PARALLEL FLATTED SINGLE ACTUATOR, shaft_length: 0.875 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 2.500 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, overall_height: 2.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-484-1318, 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→ 101904LU
NSN: 5930-00-484-1318
FSC: 5930
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)
SPECIFICATIONS
shaft_typeROUND, PARALLEL FLATTED SINGLE ACTUATOR
shaft_length0.875 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE MOUNTING FACILITY
overall_width2.500 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
overall_height2.500 INCHES NOMINAL IN
overall_length4.125 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designatorTAP, CIRCUIT SELECTOR
first_flat_length0.625 INCHES NOMINAL SINGLE ACTUATOR IN
nominal_thread_size0.190 INCHES SINGLE MOUNTING FACILITY IN
NSN5930-00-484-1318
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR SET,MATCHED TITLE COMPONENT PN 101904LU MFR CAPACITOR SET,MATCHED
KEY FEATURES
•
THREAD CLASS: 2B SINGLE MOUNTING FACILITY
•
MOUNTING METHOD: BRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
•
CONTACT VOLTAGE RATING IN VOLTS: 600.0 AC AT SEA LEVEL
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
WIDTH BETWEEN FLATS: 0.188 INCHES NOMINAL SINGLE ACTUATOR IN
•
STYLE DESIGNATOR: TAP, CIRCUIT SELECTOR
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)
THREAD CLASS2B SINGLE MOUNTING FACILITY
MOUNTING METHODBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
CONTACT VOLTAGE RATING IN VOLTS600.0 AC AT SEA LEVEL
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
WIDTH BETWEEN FLATS0.188 INCHES NOMINAL SINGLE ACTUATOR IN
STYLE DESIGNATORTAP, CIRCUIT SELECTOR
OVERALL HEIGHT2.500 INCHES NOMINAL IN
SWITCH ACTUATOR POSITIONING INCREMENT90.0 DEGREES SINGLE ACTUATOR
MOUNTING FACILITY CIRCLE RADIUS1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
NC0504811Interchangeable
interchangeable cross-reference
interchangeable
25001Interchangeable
interchangeable cross-reference
interchangeable
24200Interchangeable
interchangeable cross-reference
interchangeable
020-7002Interchangeable
interchangeable cross-reference
interchangeable
L5128Interchangeable
interchangeable cross-reference
interchangeable
35-111060G01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 101904LU?
101904LU is a CAPACITOR SET,MATCHED. It is classified as a MRO (MRO_GENERAL).
What parts can replace 101904LU?
There are 12 known substitutes for 101904LU: NC0504811, 25001, 24200 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 101904LU?
101904LU is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-484-1318. 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