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PartsTable / COMPONENT / JH12657
JH12657 ✓ 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: STAINLESS STEEL,MIL-S-5059 OR MIL-S-4043,1.625 IN. O/A W,BY 0.040 IN.

THK,U/O P/N 1264043 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 2925-00-441-8323, 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
JH12657
NSN: 2925-00-441-8323
FSC: 2925
CAGE: 31435 — LUCAS AEROSPACE POWER EQUIPMENT CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTAINLESS STEEL,MIL-S-5059 OR MIL-S-4043,1.625 IN. O/A W,BY 0.040 IN. THK,U/O P/N 1264043 IN
NSN2925-00-441-8323
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN JH12657 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL,MIL-S-5059 OR MIL-S-4043,1.625 IN. O/A W,BY 0.040 IN. THK,U/O P/N 1264043 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)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL,MIL-S-5059 OR MIL-S-4043,1.625 IN. O/A W,BY 0.040 IN. THK,U/O P/N 1264043 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
12657Interchangeable
interchangeable cross-reference
interchangeable
1190-169Interchangeable
interchangeable cross-reference
interchangeable
H01478Interchangeable
interchangeable cross-reference
interchangeable
5A5D22Interchangeable
interchangeable cross-reference
interchangeable
418019-125Interchangeable
interchangeable cross-reference
interchangeable
850932-2601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JH12657?
JH12657 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace JH12657?
There are 12 known substitutes for JH12657: 12657, 1190-169, H01478 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JH12657?
JH12657 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2925-00-441-8323. 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