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Technical Data Sheet
PartsTable / MRO / CM85FS242JM1
CM85FS242JM1 ✓ 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,FIXED,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/MTG FLANGES, TERMINALS ON OPPOSITE ENDS, body_length: 4.000 INCHES NOMINAL IN, body_diameter: 5.000 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 70.0 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 5910-00-644-5859, 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→ CM85FS242JM1
NSN: 5910-00-644-5859
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/MTG FLANGES, TERMINALS ON OPPOSITE ENDS
body_length4.000 INCHES NOMINAL IN
body_diameter5.000 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 70.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 FLANGE
specification/standard_data81349-MIL-C-5/15 GOVERNMENT SPECIFICATION
tolerance_range_per_section-5.00 TO 5.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section2400.000 PICOFARADS SINGLE SECTION
unthreaded_mounting_hole_diameter0.380 INCHES NOMINAL IN
NSN5910-00-644-5859
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CM85FS242JM1 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 2000.0 MEGOHMS
•
CAPACITANCE VALUE PER SECTION: 2400.000 PICOFARADS SINGLE SECTION
•
HIGHEST FREQUENCY AT WHICH RF CURRENT RATING APPLIES IN KILOHERTZ: 3000.0
•
LOWEST FREQUENCY AT WHICH RF CURRENT RATING APPLIES IN KILOHERTZ: 100.0
•
BODY DIAMETER: 5.000 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-5/15 GOVERNMENT SPECIFICATION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 70.0 CELSIUS MAXIMUM DEGC
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.380 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)
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP2000.0 MEGOHMS
CAPACITANCE VALUE PER SECTION2400.000 PICOFARADS SINGLE SECTION
HIGHEST FREQUENCY AT WHICH RF CURRENT RATING APPLIES IN KILOHERTZ3000.0
LOWEST FREQUENCY AT WHICH RF CURRENT RATING APPLIES IN KILOHERTZ100.0
BODY DIAMETER5.000 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349-MIL-C-5/15 GOVERNMENT SPECIFICATION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 70.0 CELSIUS MAXIMUM DEGC
UNTHREADED MOUNTING HOLE DIAMETER0.380 INCHES NOMINAL IN
TEST DATA DOCUMENT81349-MIL-C-5 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.).
BODY LENGTH4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
CM85FU391JM1Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-5/15Interchangeable
interchangeable cross-reference
interchangeable
HP15510J3C1Interchangeable
interchangeable cross-reference
interchangeable
0160-2201Interchangeable
interchangeable cross-reference
interchangeable
42000127-510Interchangeable
interchangeable cross-reference
interchangeable
CM85B511JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM85FS242JM1?
CM85FS242JM1 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CM85FS242JM1?
There are 14 known substitutes for CM85FS242JM1: CM85FU391JM1, MIL-C-5/15, HP15510J3C1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM85FS242JM1?
CM85FS242JM1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-644-5859. 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