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PartsTable / COMPONENT / W102MB4R
W102MB4R ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include color: RED SINGLE ACTUATOR, body_style: PANEL MOUNT, body_length: 0.869 INCHES NOMINAL IN, body_diameter: 0.562 INCHES NOMINAL IN, actuator_style: ROUND, inclosure_type: FULLY INCLOSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-852-4239, 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
W102MB4R
NSN: 5930-00-852-4239
FSC: 5930
CAGE: 81640 — SAFRAN POWER USA, LLC (USA)
SPECIFICATIONS
colorRED SINGLE ACTUATOR
body_stylePANEL MOUNT
body_length0.869 INCHES NOMINAL IN
body_diameter0.562 INCHES NOMINAL IN
actuator_styleROUND
inclosure_typeFULLY INCLOSED
overall_length1.312 INCHES MAXIMUM IN
actuator_height0.188 INCHES NOMINAL IN
mounting_methodPANEL
actuator_diameter0.375 INCHES NOMINAL IN
terminal_type_and_quantity2 THREADED STUD
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION SINGLE SWITCH UNIT
NSN5930-00-852-4239
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN W102MB4R MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
BODY LENGTH: 0.869 INCHES NOMINAL IN
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 10.000 AMPERES RESISTIVE DC AND 5.000 AMPERES INDUCTIVE DC AND 3.000 AMPERES LAMP DC AND 10.000 AMPERES RESISTIVE AC AND 5.000 AMPERES INDUCTIVE AC AND 3.000 AMPERES LAMP AC
•
COLOR: RED SINGLE ACTUATOR
•
TERMINAL TYPE AND QUANTITY: 2 THREADED STUD
•
MOUNTING METHOD: PANEL
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION SINGLE SWITCH UNIT
•
BODY STYLE: PANEL MOUNT
•
ACTUATOR DIAMETER: 0.375 INCHES NOMINAL IN
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)
BODY LENGTH0.869 INCHES NOMINAL IN
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE10.000 AMPERES RESISTIVE DC AND 5.000 AMPERES INDUCTIVE DC AND 3.000 AMPERES LAMP DC AND 10.000 AMPERES RESISTIVE AC AND 5.000 AMPERES INDUCTIVE AC AND 3.000 AMPERES LAMP AC
COLORRED SINGLE ACTUATOR
TERMINAL TYPE AND QUANTITY2 THREADED STUD
MOUNTING METHODPANEL
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION SINGLE SWITCH UNIT
BODY STYLEPANEL MOUNT
ACTUATOR DIAMETER0.375 INCHES NOMINAL IN
BODY DIAMETER0.562 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
M7560/1-14Interchangeable
interchangeable cross-reference
interchangeable
MS21964-14Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7560Interchangeable
interchangeable cross-reference
interchangeable
21482Interchangeable
interchangeable cross-reference
interchangeable
951-0227-000Interchangeable
interchangeable cross-reference
interchangeable
P110027Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W102MB4R?
W102MB4R is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace W102MB4R?
There are 14 known substitutes for W102MB4R: M7560/1-14, MS21964-14, MIL-DTL-7560 and 11 more. Substitute compatibility should be verified for your specific system.
Is W102MB4R still available?
W102MB4R is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026