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Technical Data Sheet
PartsTable / MRO / PC41J8R5
PC41J8R5 ✓ 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,GLASS DIELECT. Key specifications include body_style: PISTON, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_length: 0.562 INCHES NOMINAL IN, shaft_length: 0.155 INCHES NOMINAL SINGLE SHAFT IN, inclosure_type: ENCASED, overall_length: 0.717 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 5910-00-941-2227, 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→ PC41J8R5
NSN: 5910-00-941-2227
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_stylePISTON
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_length0.562 INCHES NOMINAL IN
shaft_length0.155 INCHES NOMINAL SINGLE SHAFT IN
inclosure_typeENCASED
overall_length0.717 INCHES NOMINAL IN
overall_diameter0.312 INCHES MAXIMUM IN
adjustment_device_torque1.000 INCH-OUNCES MINIMUM AND 10.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity4 WIRE LEAD
capacitance_drift_in_picofarads0.02 SINGLE SECTION
capacitance_range_in_picofarads+0.8 TO 8.5 SINGLE SECTION
NSN5910-00-941-2227
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,GLASS DIELECT TITLE COMPONENT PN PC41J8R5 MFR CAPACITOR,VARIABLE,GLA
KEY FEATURES
•
BODY STYLE: PISTON
•
QUALITY FACTOR AT 25 DEG CELSIUS: 500.0
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SHAFT
•
INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 100.0 GIGOHMS
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH: 0.438 INCHES NOMINAL IN
•
SHAFT LENGTH: 0.155 INCHES NOMINAL SINGLE SHAFT IN
•
TEST DATA DOCUMENT: 81349-MIL-C-14409 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
TERMINAL TYPE AND QUANTITY: 4 WIRE LEAD
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 STYLEPISTON
QUALITY FACTOR AT 25 DEG CELSIUS500.0
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SHAFT
INSULATION DC RESISTANCE AT 25 DEG CELSIUS100.0 GIGOHMS
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.438 INCHES NOMINAL IN
SHAFT LENGTH0.155 INCHES NOMINAL SINGLE SHAFT IN
TEST DATA DOCUMENT81349-MIL-C-14409 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TERMINAL TYPE AND QUANTITY4 WIRE LEAD
OVERALL DIAMETER0.312 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
MILC14409-7Interchangeable
interchangeable cross-reference
interchangeable
PC41Q160Interchangeable
interchangeable cross-reference
interchangeable
569-052Interchangeable
interchangeable cross-reference
interchangeable
QP6GInterchangeable
interchangeable cross-reference
interchangeable
563-052Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-14409/7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC41J8R5?
PC41J8R5 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace PC41J8R5?
There are 27 known substitutes for PC41J8R5: MILC14409-7, PC41Q160, 569-052 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PC41J8R5?
PC41J8R5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-941-2227. 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