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Technical Data Sheet
PartsTable / COMPONENT / 4579DX
4579DX ✓ 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,FIXED,METALLIZED,PAPER. Key specifications include color: CLEAR, depth: 1.750 INCHES NOMINAL IN, width: 8.500 INCHES NOMINAL IN, length: 11.000 INCHES NOMINAL IN, material: ALUMINUM FRAME, lens_type: CYLINDRICAL, EXTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-587-9758, 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
4579DX
NSN: 2520-00-587-9758
FSC: 2520
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
colorCLEAR
depth1.750 INCHES NOMINAL IN
width8.500 INCHES NOMINAL IN
length11.000 INCHES NOMINAL IN
materialALUMINUM FRAME
lens_typeCYLINDRICAL, EXTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL
base_styleTHREE CONTACT LUGS
bulb_stylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
face_width1.750 INCHES NOMINAL IN
anchor_plateNOT INCLUDED
lens_quantity1
overall_width26.0 INCHES NOMINAL IN
NSN2520-00-587-9758
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,METALLIZED,PAPER TITLE COMPONENT PN 4579DX MFR CAPACITOR,FIXED,METALL
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 21
CHQ125Interchangeable
interchangeable cross-reference
interchangeable
STN-125Interchangeable
interchangeable cross-reference
interchangeable
5365Interchangeable
interchangeable cross-reference
interchangeable
610916Interchangeable
interchangeable cross-reference
interchangeable
113859-6Interchangeable
interchangeable cross-reference
interchangeable
25LMZP10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4579DX?
4579DX is a CAPACITOR,FIXED,METALLIZED,PAPER.
What parts can replace 4579DX?
There are 21 known substitutes for 4579DX: CHQ125, STN-125, 5365 and 18 more. Substitute compatibility should be verified for your specific system.
Is 4579DX still available?
4579DX 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