PartsTable
Technical Data Sheet
PartsTable / MRO / 9986579
9986579 ✓ 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

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include body_width: 3.562 INCHES NOMINAL IN, body_length: 9.750 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 1.750 INCHES NOMINAL IN, style_designator: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES, reference_frequency_per_function: 48.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-812-2044, 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→ 9986579
NSN: 5915-00-812-2044
FSC: 5915
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
body_width3.562 INCHES NOMINAL IN
body_length9.750 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height1.750 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
reference_frequency_per_function48.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function46.00 MEGAHERTZ BLANK AND 50.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
input_impedance_per_function_w/load50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
source_impedance_rating_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION
NSN5915-00-812-2044
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 9986579 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION
•
INPUT IMPEDANCE PER FUNCTION W/LOAD: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
INCLOSURE TYPE: ENCASED
•
BODY LENGTH: 9.750 INCHES NOMINAL IN
•
FREQUENCY BAND WIDTH PER FUNCTION: 46.00 MEGAHERTZ BLANK AND 50.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
BODY WIDTH: 3.562 INCHES NOMINAL IN
•
TEST DATA DOCUMENT: 18876-9986579 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
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)
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
INCLOSURE TYPEENCASED
BODY LENGTH9.750 INCHES NOMINAL IN
FREQUENCY BAND WIDTH PER FUNCTION46.00 MEGAHERTZ BLANK AND 50.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY WIDTH3.562 INCHES NOMINAL IN
TEST DATA DOCUMENT18876-9986579 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
SOURCE IMPEDANCE RATING PER FUNCTION50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
REFERENCE FREQUENCY PER FUNCTION48.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
G56147Interchangeable
interchangeable cross-reference
interchangeable
8353332Interchangeable
interchangeable cross-reference
interchangeable
500786Interchangeable
interchangeable cross-reference
interchangeable
T110A225M010ASInterchangeable
interchangeable cross-reference
interchangeable
290-0488-00Interchangeable
interchangeable cross-reference
interchangeable
M39003/01-2283JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9986579?
9986579 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 9986579?
There are 6 known substitutes for 9986579: G56147, 8353332, 500786 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9986579?
9986579 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-812-2044. 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