PartsTable
Technical Data Sheet
PartsTable / MRO / 500E20-18-495
500E20-18-495 ✓ 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: PLATE-MESHING, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_length: 3.672 INCHES NOMINAL IN, shaft_length: 1.500 INCHES NOMINAL SINGLE SHAFT IN, overall_width: 2.625 INCHES NOMINAL IN, inclosure_type: UNINCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-186-1653, 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→ 500E20-18-495
NSN: 5910-00-186-1653
FSC: 5910
CAGE: 74970 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
body_stylePLATE-MESHING
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_length3.672 INCHES NOMINAL IN
shaft_length1.500 INCHES NOMINAL SINGLE SHAFT IN
overall_width2.625 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height2.594 INCHES NOMINAL IN
overall_length6.594 INCHES NOMINAL IN
shaft_diameter0.249 INCHES NOMINAL SINGLE SHAFT IN
tuning_characteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_rotation180.0 DEGREES NOMINAL CLOCKWISE AND 180.0 DEGREES NOMINAL COUNTERCLOCKWISE
terminal_type_and_quantity4 THREADED STUD
NSN5910-00-186-1653
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 500E20-18-495 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
NONDERATED VOLTAGE RATING AND TYPE: 1820.0 AC PEAK SINGLE SECTION
•
TUNING CHARACTERISTIC: STRAIGHT LINE CAPACITY SINGLE SECTION
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SHAFT
•
INCLOSURE TYPE: UNINCLOSED
•
SHAFT LENGTH: 1.500 INCHES NOMINAL SINGLE SHAFT IN
•
TERMINAL TYPE AND QUANTITY: 4 THREADED STUD
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
SHAFT DIAMETER: 0.249 INCHES NOMINAL SINGLE SHAFT 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)
NONDERATED VOLTAGE RATING AND TYPE1820.0 AC PEAK SINGLE SECTION
TUNING CHARACTERISTICSTRAIGHT LINE CAPACITY SINGLE SECTION
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SHAFT
INCLOSURE TYPEUNINCLOSED
SHAFT LENGTH1.500 INCHES NOMINAL SINGLE SHAFT IN
TERMINAL TYPE AND QUANTITY4 THREADED STUD
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
SHAFT DIAMETER0.249 INCHES NOMINAL SINGLE SHAFT IN
ADJUSTMENT DEVICE ROTATION180.0 DEGREES NOMINAL CLOCKWISE AND 180.0 DEGREES NOMINAL COUNTERCLOCKWISE
SHAFT TYPEROUND, SLOTTED SINGLE SHAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
42C42650-1Interchangeable
interchangeable cross-reference
interchangeable
206-076-037-1Interchangeable
interchangeable cross-reference
interchangeable
206-076-037-001Interchangeable
interchangeable cross-reference
interchangeable
15431Interchangeable
interchangeable cross-reference
interchangeable
2612Interchangeable
interchangeable cross-reference
interchangeable
5302-0750Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500E20-18-495?
500E20-18-495 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 500E20-18-495?
There are 17 known substitutes for 500E20-18-495: 42C42650-1, 206-076-037-1, 206-076-037-001 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500E20-18-495?
500E20-18-495 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-186-1653. 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