PartsTable
Technical Data Sheet
PartsTable / MRO / 650290
650290 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 ASSEMBLY 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 component_name: FIXED MICA DIELECTRIC CAPACITOR, overall_length: 0.938 INCHES NOMINAL IN, mounting_method: BRACKET(S), overall_diameter: 0.438 INCHES NOMINAL IN, component_relationship: UNCONNECTED MATCHED PAIR, component_controlling_agency: LORAL ELECTRONICS CORP.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-031-1286, 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
MRO→ MRO_GENERAL→ 650290
NSN: 5910-00-031-1286
FSC: 5910
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
component_nameFIXED MICA DIELECTRIC CAPACITOR
overall_length0.938 INCHES NOMINAL IN
mounting_methodBRACKET(S)
overall_diameter0.438 INCHES NOMINAL IN
component_quantity2
component_relationshipUNCONNECTED MATCHED PAIR
component_controlling_agencyLORAL ELECTRONICS CORP.
component_identifying_numberB-53-138 PART NO. AND B-53-150 PART NO.
NSN5910-00-031-1286
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR ASSEMBLY TITLE COMPONENT PN 650290 MFR CAPACITOR ASSEMBLY
KEY FEATURES
•
COMPONENT RELATIONSHIP: UNCONNECTED MATCHED PAIR
•
COMPONENT QUANTITY: 2
•
COMPONENT CONTROLLING AGENCY: LORAL ELECTRONICS CORP.
•
COMPONENT NAME: FIXED MICA DIELECTRIC CAPACITOR
•
MOUNTING METHOD: BRACKET(S)
•
COMPONENT IDENTIFYING NUMBER: B-53-138 PART NO. AND B-53-150 PART NO.
•
OVERALL DIAMETER: 0.438 INCHES NOMINAL 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)
COMPONENT RELATIONSHIPUNCONNECTED MATCHED PAIR
COMPONENT QUANTITY2
COMPONENT CONTROLLING AGENCYLORAL ELECTRONICS CORP.
COMPONENT NAMEFIXED MICA DIELECTRIC CAPACITOR
MOUNTING METHODBRACKET(S)
COMPONENT IDENTIFYING NUMBERB-53-138 PART NO. AND B-53-150 PART NO.
OVERALL DIAMETER0.438 INCHES NOMINAL IN
OVERALL LENGTH0.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5314-5Interchangeable
interchangeable cross-reference
interchangeable
2410 45/64Interchangeable
interchangeable cross-reference
interchangeable
110 45/64Interchangeable
interchangeable cross-reference
interchangeable
C12216Interchangeable
interchangeable cross-reference
interchangeable
322B890P1Interchangeable
interchangeable cross-reference
interchangeable
322B890P01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 650290?
650290 is a CAPACITOR ASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 650290?
There are 17 known substitutes for 650290: 5314-5, 2410 45/64, 110 45/64 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 650290?
650290 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-031-1286. 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