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Technical Data Sheet
PartsTable / MRO / 8990-4
8990-4 ✓ Verified by PartsTable
InLine · 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

Optical audio adapter, toslink jack to 3.5mm plug, InLine®. Key specifications include phase: SINGLE SINGLE VOLTAGE, material: NICKEL ALLOY OVERALL, body_style: COIL, PLAIN, body_width: 1.375 INCHES NOMINAL IN, body_height: 1.375 INCHES NOMINAL IN, body_length: 4.500 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 5910-00-668-0145, 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→ 8990-4
NSN: 5910-00-668-0145
FSC: 5910
CAGE: 03848 — ARMA DIV AMBAC INDUSTRIES INC
SPECIFICATIONS
phaseSINGLE SINGLE VOLTAGE
materialNICKEL ALLOY OVERALL
body_styleCOIL, PLAIN
body_width1.375 INCHES NOMINAL IN
body_height1.375 INCHES NOMINAL IN
body_length4.500 INCHES NOMINAL IN
body_diameter1.375 INCHES NOMINAL IN
heat_quantity3
overall_height0.938 INCHES NOMINAL IN
element_quantity2
outside_diameter8.000 INCHES NOMINAL IN
section_quantity3
NSN5910-00-668-0145
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: InLine CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 8990-4 MFR InLine CAPACITOR,FIXED,PAPER
KEY FEATURES
•
CASE INSULATION MATERIAL: PAPER
•
TERMINAL TYPE AND QUANTITY: 3 THREADED STUD
•
FEATURES PROVIDED: MOUNTING HARDWARE AND HERMETICALLY SEALED CASE
•
BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE END
•
SECTION QUANTITY: 3
•
TOLERANCE RANGE PER SECTION: +0.00 TO 20.00 PERCENT 1ST SECTION AND +0.00 TO 20.00 PERCENT 2ND SECTION AND +0.00 TO 20.00 PERCENT 3RD SECTION
•
CAPACITANCE VALUE PER SECTION: 25000.000 PICOFARADS 1ST SECTION AND 25000.000 PICOFARADS 2ND SECTION AND 1.000 MICROFARADS 3RD SECTION
•
BODY HEIGHT: 1.375 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)
CASE INSULATION MATERIALPAPER
TERMINAL TYPE AND QUANTITY3 THREADED STUD
FEATURES PROVIDEDMOUNTING HARDWARE AND HERMETICALLY SEALED CASE
BODY STYLEW/O MTG FACILITIES, TERMINAL(S) ON ONE END
SECTION QUANTITY3
TOLERANCE RANGE PER SECTION+0.00 TO 20.00 PERCENT 1ST SECTION AND +0.00 TO 20.00 PERCENT 2ND SECTION AND +0.00 TO 20.00 PERCENT 3RD SECTION
CAPACITANCE VALUE PER SECTION25000.000 PICOFARADS 1ST SECTION AND 25000.000 PICOFARADS 2ND SECTION AND 1.000 MICROFARADS 3RD SECTION
BODY HEIGHT1.375 INCHES NOMINAL IN
BODY LENGTH4.500 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORDELTA CONNECTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A-100Interchangeable
interchangeable cross-reference
interchangeable
89904Interchangeable
interchangeable cross-reference
interchangeable
40404-1 FIND NO. 25Interchangeable
interchangeable cross-reference
interchangeable
40404-1Interchangeable
interchangeable cross-reference
interchangeable
2015000200Interchangeable
interchangeable cross-reference
interchangeable
M003-BSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8990-4?
8990-4 is a CAPACITOR,FIXED,PAPER DIELECTRIC manufactured by InLine. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8990-4?
There are 6 known substitutes for 8990-4: A-100, 89904, 40404-1 FIND NO. 25 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8990-4?
8990-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-668-0145. 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