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PartsTable / COMPONENT / 4L390
4L390 ✓ 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,PLASTIC DIELECTR. Key specifications include material: FIBER AND RUBBER BODY, nominal_width: 0.531 INCHES IN, style_designator: PLAIN, cross-sectional_size: 4L, strengthening_feature: FIBER CORD, nominal_effective_outside_length: 39.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3030-00-528-4635, 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
4L390
NSN: 3030-00-528-4635
FSC: 3030
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
nominal_width0.531 INCHES IN
style_designatorPLAIN
cross-sectional_size4L
strengthening_featureFIBER CORD
nominal_effective_outside_length39.000 INCHES IN
NSN3030-00-528-4635
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 4L390 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
MATERIAL: FIBER AND RUBBER BODY
•
STRENGTHENING FEATURE: FIBER CORD
•
CROSS-SECTIONAL SIZE: 4L
•
NOMINAL EFFECTIVE OUTSIDE LENGTH: 39.000 INCHES IN
•
NOMINAL WIDTH: 0.531 INCHES IN
•
STYLE DESIGNATOR: PLAIN
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)
MATERIALFIBER AND RUBBER BODY
STRENGTHENING FEATUREFIBER CORD
CROSS-SECTIONAL SIZE4L
NOMINAL EFFECTIVE OUTSIDE LENGTH39.000 INCHES IN
NOMINAL WIDTH0.531 INCHES IN
STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
63357Interchangeable
interchangeable cross-reference
interchangeable
81627Interchangeable
interchangeable cross-reference
interchangeable
AX227AInterchangeable
interchangeable cross-reference
interchangeable
657658Interchangeable
interchangeable cross-reference
interchangeable
43007018-4Interchangeable
interchangeable cross-reference
interchangeable
OL-6839Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4L390?
4L390 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace 4L390?
There are 30 known substitutes for 4L390: 63357, 81627, AX227A and 27 more. Substitute compatibility should be verified for your specific system.
Is 4L390 still available?
4L390 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