PartsTable
Technical Data Sheet
PartsTable / MRO / 42-509343-1
42-509343-1 ✓ 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, body_height: 0.170 INCHES NOMINAL IN, body_diameter: 0.218 INCHES NOMINAL IN, inclosure_type: ENCASED, terminal_length: 0.250 INCHES NOMINAL IN, adjustment_device_torque: 0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM 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 5910-01-056-3655, 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→ 42-509343-1
NSN: 5910-01-056-3655
FSC: 5910
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
body_styleROTARY
body_height0.170 INCHES NOMINAL IN
body_diameter0.218 INCHES NOMINAL IN
inclosure_typeENCASED
terminal_length0.250 INCHES NOMINAL IN
adjustment_device_torque0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_drift_in_picofarads0.50 SINGLE SECTION
capacitance_range_in_picofarads+7.0 TO 40.0 SINGLE SECTION
nonderated_voltage_rating_and_type25.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity2 TERMINAL
NSN5910-01-056-3655
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 42-509343-1 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
BODY HEIGHT: 0.170 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 TERMINAL
•
ADJUSTMENT DEVICE TORQUE: 0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM IN
•
INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 10.0 GIGOHMS
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
•
CAPACITANCE DRIFT IN PICOFARADS: 0.50 SINGLE SECTION
•
CAPACITANCE RANGE IN PICOFARADS: +7.0 TO 40.0 SINGLE SECTION
•
TERMINAL LENGTH: 0.250 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)
BODY HEIGHT0.170 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 TERMINAL
ADJUSTMENT DEVICE TORQUE0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM IN
INSULATION DC RESISTANCE AT 25 DEG CELSIUS10.0 GIGOHMS
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
CAPACITANCE DRIFT IN PICOFARADS0.50 SINGLE SECTION
CAPACITANCE RANGE IN PICOFARADS+7.0 TO 40.0 SINGLE SECTION
TERMINAL LENGTH0.250 INCHES NOMINAL IN
BODY DIAMETER0.218 INCHES NOMINAL IN
CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS-0.00 TO 14.00 MINIMUM AND -14.00 TO 5.00 MAXIMUM SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
518-000A2-5Interchangeable
interchangeable cross-reference
interchangeable
MILC81-6Interchangeable
interchangeable cross-reference
interchangeable
CV35A050Interchangeable
interchangeable cross-reference
interchangeable
2893375-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-81/6Interchangeable
interchangeable cross-reference
interchangeable
2903140-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 42-509343-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 42-509343-1?
42-509343-1 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 42-509343-1?
There are 24 known substitutes for 42-509343-1: 518-000A2-5, MILC81-6, CV35A050 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42-509343-1?
42-509343-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-056-3655. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 42-509343-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026