PartsTable
Technical Data Sheet
PartsTable / MRO / 2387129-3
2387129-3 ✓ 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,VARIABLE,CERAMIC DIELE. Key specifications include body_style: ROTARY, inclosure_type: ENCASED, overall_height: 0.310 INCHES NOMINAL IN, overall_diameter: 0.370 INCHES NOMINAL IN, adjustment_device_torque: 1.000 INCH-OUNCES MINIMUM AND 6.000 INCH-OUNCES MAXIMUM IN, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-025-2834, 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→ 2387129-3
NSN: 5910-01-025-2834
FSC: 5910
CAGE: 16331 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
body_styleROTARY
inclosure_typeENCASED
overall_height0.310 INCHES NOMINAL IN
overall_diameter0.370 INCHES NOMINAL IN
adjustment_device_torque1.000 INCH-OUNCES MINIMUM AND 6.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 PIN
specification/standard_data81349-MIL-C-81/4 GOVERNMENT SPECIFICATION
capacitance_drift_in_picofarads0.50 SINGLE SECTION
capacitance_range_in_picofarads+15.0 TO 60.0 SINGLE SECTION
nonderated_voltage_rating_and_type200.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity2 TERMINAL
NSN5910-01-025-2834
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 2387129-3 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.300 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 2 PIN
•
DISSIPATION FACTOR AT 25 DEG CELSIUS IN PERCENT: 0.2
•
BODY STYLE: ROTARY
•
CAPACITANCE DRIFT IN PICOFARADS: 0.50 SINGLE SECTION
•
CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS: -3.00 TO 14.00 MINIMUM AND -10.00 TO 3.00 MAXIMUM SINGLE SECTION
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-81/4 GOVERNMENT SPECIFICATION
•
NONDERATED VOLTAGE RATING AND TYPE: 200.0 DC CONTINUOUS SINGLE SECTION
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)
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.300 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY2 PIN
DISSIPATION FACTOR AT 25 DEG CELSIUS IN PERCENT0.2
BODY STYLEROTARY
CAPACITANCE DRIFT IN PICOFARADS0.50 SINGLE SECTION
CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS-3.00 TO 14.00 MINIMUM AND -10.00 TO 3.00 MAXIMUM SINGLE SECTION
SPECIFICATION/STANDARD DATA81349-MIL-C-81/4 GOVERNMENT SPECIFICATION
NONDERATED VOLTAGE RATING AND TYPE200.0 DC CONTINUOUS SINGLE SECTION
INSULATION DC RESISTANCE AT 25 DEG CELSIUS10.0 GIGOHMS
OVERALL DIAMETER0.370 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
10STRIK022-8-25PFN470Interchangeable
interchangeable cross-reference
interchangeable
917-0004-060Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-81/4Interchangeable
interchangeable cross-reference
interchangeable
538007F15-0-60Interchangeable
interchangeable cross-reference
interchangeable
304324664Interchangeable
interchangeable cross-reference
interchangeable
FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2387129-3?
2387129-3 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2387129-3?
There are 34 known substitutes for 2387129-3: 10STRIK022-8-25PFN470, 917-0004-060, MIL-PRF-81/4 and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2387129-3?
2387129-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-025-2834. 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