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Technical Data Sheet
PartsTable / COMPONENT / 659B0180G026A
659B0180G026A ✓ Verified by PartsTable
— · COMPONENT
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 flange_width: 0.3750 INCHES NOMINAL IN, overall_length: 2.7500 INCHES NOMINAL IN, keyway_dimension: 0.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN, body_inside_diameter: 2.0000 INCHES NOMINAL IN, body_outside_diameter: 2.5000 INCHES NOMINAL IN, flange_outside_diameter: 2.6560 INCHES NOMINAL 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 4320-00-399-5218, 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
659B0180G026A
NSN: 4320-00-399-5218
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
flange_width0.3750 INCHES NOMINAL IN
overall_length2.7500 INCHES NOMINAL IN
keyway_dimension0.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
body_inside_diameter2.0000 INCHES NOMINAL IN
body_outside_diameter2.5000 INCHES NOMINAL IN
flange_outside_diameter2.6560 INCHES NOMINAL IN
NSN4320-00-399-5218
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 659B0180G026A MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 2.5000 INCHES NOMINAL IN
•
KEYWAY DIMENSION: 0.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
•
FLANGE WIDTH: 0.3750 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 2.6560 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.0000 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 OUTSIDE DIAMETER2.5000 INCHES NOMINAL IN
KEYWAY DIMENSION0.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
FLANGE WIDTH0.3750 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER2.6560 INCHES NOMINAL IN
OVERALL LENGTH2.7500 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
45016928Interchangeable
interchangeable cross-reference
interchangeable
11392Interchangeable
interchangeable cross-reference
interchangeable
MS15444-42Interchangeable
interchangeable cross-reference
interchangeable
44114Interchangeable
interchangeable cross-reference
interchangeable
150 44Interchangeable
interchangeable cross-reference
interchangeable
160-208Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 659B0180G026A?
659B0180G026A is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 659B0180G026A?
There are 16 known substitutes for 659B0180G026A: 45016928, 11392, MS15444-42 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 659B0180G026A?
659B0180G026A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-399-5218. 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