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Technical Data Sheet
PartsTable / COMPONENT / 3919B7
3919B7 ✓ 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,MICA DIELECTRIC. Key specifications include general_characteristics_item_description: BRASS AND RUBBER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4440-00-421-9580, 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
3919B7
NSN: 4440-00-421-9580
FSC: 4440
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRASS AND RUBBER
NSN4440-00-421-9580
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 3919B7 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS AND RUBBER
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)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS AND RUBBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
69152-10Interchangeable
interchangeable cross-reference
interchangeable
T3258Interchangeable
interchangeable cross-reference
interchangeable
3919Interchangeable
interchangeable cross-reference
interchangeable
39197Interchangeable
interchangeable cross-reference
interchangeable
CM56B101KInterchangeable
interchangeable cross-reference
interchangeable
JANC5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3919B7?
3919B7 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 3919B7?
There are 17 known substitutes for 3919B7: 69152-10, T3258, 3919 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3919B7?
3919B7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4440-00-421-9580. 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