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398179 ✓ 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

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 phase: SINGLE INPUT, material: PLASTIC BODY, body_style: RECTANGULAR, duty_cycle: CONTINUOUS, switch_type: NONTRANSFER, current_type: AC INPUT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-211-8729, 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
398179
NSN: 2990-00-211-8729
FSC: 2990
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
phaseSINGLE INPUT
materialPLASTIC BODY
body_styleRECTANGULAR
duty_cycleCONTINUOUS
switch_typeNONTRANSFER
current_typeAC INPUT
winding_typeINDUCTION-SQUIRREL CAGE
overall_width0.446 INCHES NOMINAL IN
pole_quantity1
overall_height0.131 INCHES NOMINAL IN
overall_length0.732 INCHES NOMINAL IN
shaft_diameter0.2010 INCHES NOMINAL SINGLE END IN
NSN2990-00-211-8729
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 398179 MFR CAPACITOR,FIXED,ELECTR
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
16773449-001Interchangeable
interchangeable cross-reference
interchangeable
22YY2101-3Interchangeable
interchangeable cross-reference
interchangeable
22-101-3Interchangeable
interchangeable cross-reference
interchangeable
22-1013PKInterchangeable
interchangeable cross-reference
interchangeable
022-01013Interchangeable
interchangeable cross-reference
interchangeable
EYAZ4969-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 398179?
398179 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 398179?
There are 17 known substitutes for 398179: 16773449-001, 22YY2101-3, 22-101-3 and 14 more. Substitute compatibility should be verified for your specific system.
Is 398179 still available?
398179 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026