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PartsTable / MRO / JMC1975
JMC1975 ✓ 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, inclosure_type: ENCAPSULATED, overall_length: 1.280 INCHES NOMINAL IN, overall_diameter: 0.468 INCHES NOMINAL IN, terminal_type_and_quantity: 1 TAB, SOLDER LUG, capacitance_range_in_picofarads: +0.7 TO 14.0 SINGLE SECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-051-3825, 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→ JMC1975
NSN: 5910-00-051-3825
FSC: 5910
CAGE: 91293 — KNOWLES CAZENOVIA, INC. DIV JOHANSON MANUFACTURING (USA)
SPECIFICATIONS
body_stylePISTON
inclosure_typeENCAPSULATED
overall_length1.280 INCHES NOMINAL IN
overall_diameter0.468 INCHES NOMINAL IN
terminal_type_and_quantity1 TAB, SOLDER LUG
capacitance_range_in_picofarads+0.7 TO 14.0 SINGLE SECTION
mounting_facility_type_and_quantity1 THREADED BUSHING
adjustment_device_drive_type_and_quantity1 SLOTTED SCREW
NSN5910-00-051-3825
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,GLASS DIELECT TITLE COMPONENT PN JMC1975 MFR CAPACITOR,VARIABLE,GLA
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING
•
INCLOSURE TYPE: ENCAPSULATED
•
OVERALL DIAMETER: 0.468 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG
•
CAPACITANCE RANGE IN PICOFARADS: +0.7 TO 14.0 SINGLE SECTION
•
BODY STYLE: PISTON
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
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)
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
INCLOSURE TYPEENCAPSULATED
OVERALL DIAMETER0.468 INCHES NOMINAL IN
OVERALL LENGTH1.280 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG
CAPACITANCE RANGE IN PICOFARADS+0.7 TO 14.0 SINGLE SECTION
BODY STYLEPISTON
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
58660Interchangeable
interchangeable cross-reference
interchangeable
M033Interchangeable
interchangeable cross-reference
interchangeable
201-1060-00Interchangeable
interchangeable cross-reference
interchangeable
1975Interchangeable
interchangeable cross-reference
interchangeable
B60C0007-1Interchangeable
interchangeable cross-reference
interchangeable
1975-800Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JMC1975?
JMC1975 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace JMC1975?
There are 18 known substitutes for JMC1975: 58660, M033, 201-1060-00 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JMC1975?
JMC1975 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-051-3825. 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