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PartsTable / MRO / JMC6371A
JMC6371A ✓ 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,AIR DIELECTRI. Key specifications include body_style: PISTON, body_length: 0.297 INCHES NOMINAL IN, thread_class: 2A A, bushing_shape: ROUND, bushing_length: 0.156 INCHES NOMINAL IN, inclosure_type: ENCASED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-479-6665, 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→ JMC6371A
NSN: 5910-00-479-6665
FSC: 5910
CAGE: 91293 — KNOWLES CAZENOVIA, INC. DIV JOHANSON MANUFACTURING (USA)
SPECIFICATIONS
body_stylePISTON
body_length0.297 INCHES NOMINAL IN
thread_class2A A
bushing_shapeROUND
bushing_length0.156 INCHES NOMINAL IN
inclosure_typeENCASED
overall_length0.469 INCHES NOMINAL IN
bushing_diameter0.235 INCHES NOMINAL IN
overall_diameter0.281 INCHES NOMINAL IN
nominal_thread_size0.234 INCHES IN
tuning_characteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_torque1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
NSN5910-00-479-6665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN JMC6371A MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
THREAD CLASS: 2A A
•
INCLOSURE TYPE: ENCASED
•
TUNING CHARACTERISTIC: STRAIGHT LINE CAPACITY SINGLE SECTION
•
BUSHING SHAPE: ROUND
•
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
•
NOMINAL THREAD SIZE: 0.234 INCHES IN
•
THREAD QUANTITY PER INCH: 64
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 CLASS2A A
OVERALL LENGTH0.469 INCHES NOMINAL IN
INCLOSURE TYPEENCASED
TUNING CHARACTERISTICSTRAIGHT LINE CAPACITY SINGLE SECTION
BUSHING SHAPEROUND
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
NOMINAL THREAD SIZE0.234 INCHES IN
THREAD QUANTITY PER INCH64
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
INSULATION DC RESISTANCE AT 25 DEG CELSIUS1000.0 GIGOHMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6371Interchangeable
interchangeable cross-reference
interchangeable
R103B15Interchangeable
interchangeable cross-reference
interchangeable
D14131-15Interchangeable
interchangeable cross-reference
interchangeable
A-129766Interchangeable
interchangeable cross-reference
interchangeable
129766Interchangeable
interchangeable cross-reference
interchangeable
MILF2692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JMC6371A?
JMC6371A is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace JMC6371A?
There are 18 known substitutes for JMC6371A: 6371, R103B15, D14131-15 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JMC6371A?
JMC6371A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-479-6665. 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