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Technical Data Sheet
PartsTable / MRO / GKU18056
GKU18056 ✓ 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: 0.315 INCHES MAXIMUM IN, body_diameter: 0.276 INCHES MAXIMUM IN, inclosure_type: ENCASED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC, terminal_type_and_quantity: 2 TAB, SOLDER LUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-170-9559, 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→ GKU18056
NSN: 5910-00-170-9559
FSC: 5910
CAGE: 52769 — SPRAGUE-GOODMAN ELECTRONICS, INC. (USA)
SPECIFICATIONS
body_styleROTARY
body_height0.315 INCHES MAXIMUM IN
body_diameter0.276 INCHES MAXIMUM IN
inclosure_typeENCASED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+3.2 TO 18.0 SINGLE SECTION
nonderated_voltage_rating_and_type250.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity2 TERMINAL
adjustment_device_drive_type_and_quantity1 SLOTTED SCREW
insulation_dc_resistance_at_25_deg_celsius10000.0 MEGOHMS
tolerance_of_temp_coefficient_in_ppm_per_deg_celsius-250.0 TO 250.0 SINGLE SECTION
NSN5910-00-170-9559
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN GKU18056 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
BODY HEIGHT: 0.315 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.224 INCHES NOMINAL IN
•
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: -550.0 SINGLE SECTION
•
INCLOSURE TYPE: ENCASED
•
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS: -250.0 TO 250.0 SINGLE SECTION
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 10000.0 MEGOHMS
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 HEIGHT0.315 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.224 INCHES NOMINAL IN
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS-550.0 SINGLE SECTION
INCLOSURE TYPEENCASED
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS-250.0 TO 250.0 SINGLE SECTION
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
INSULATION DC RESISTANCE AT 25 DEG CELSIUS10000.0 MEGOHMS
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
MOUNTING FACILITY TYPE AND QUANTITY2 TERMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
396522Interchangeable
interchangeable cross-reference
interchangeable
379313Interchangeable
interchangeable cross-reference
interchangeable
9100-3363Interchangeable
interchangeable cross-reference
interchangeable
AK-4.74J-PInterchangeable
interchangeable cross-reference
interchangeable
15M471J-2Interchangeable
interchangeable cross-reference
interchangeable
9313Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GKU18056?
GKU18056 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace GKU18056?
There are 14 known substitutes for GKU18056: 396522, 379313, 9100-3363 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GKU18056?
GKU18056 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-170-9559. 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