PartsTable
Technical Data Sheet
PartsTable / MRO / 146B
146B ✓ 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,FIXED,ELECTROLYTIC 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 reed_type: SINGLE, overall_length: 3.250 INCHES NOMINAL IN, overall_diameter: 1.500 INCHES NOMINAL IN, drive_voltage_rating: 4.0 DC VOLTS MINIMUM AND 8.0 DC VOLTS MAXIMUM, input_current_rating: 6.5 AMPERES NOMINAL, input_voltage_rating: 6.0 DC VOLTS NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-035-7526, 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→ 146B
NSN: 4320-00-035-7526
FSC: 4320
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
reed_typeSINGLE
overall_length3.250 INCHES NOMINAL IN
overall_diameter1.500 INCHES NOMINAL IN
drive_voltage_rating4.0 DC VOLTS MINIMUM AND 8.0 DC VOLTS MAXIMUM
input_current_rating6.5 AMPERES NOMINAL
input_voltage_rating6.0 DC VOLTS NOMINAL
end_item_identificationPP-114/VRC-3
output_frequency_rating180.0 HERTZ NOMINAL
base_connection_wiring_style7 PIN STANDARD TUBE
drive_voltage_relationship_to_input_voltageUNEQUAL
NSN4320-00-035-7526
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 146B MFR CAPACITOR,FIXED,ELECTR
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 15
AA1642Interchangeable
interchangeable cross-reference
interchangeable
AA1833AInterchangeable
interchangeable cross-reference
interchangeable
M019Interchangeable
interchangeable cross-reference
interchangeable
51761Interchangeable
interchangeable cross-reference
interchangeable
F6PR-250CLInterchangeable
interchangeable cross-reference
interchangeable
1/4-6NAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 146B?
146B is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 146B?
There are 15 known substitutes for 146B: AA1642, AA1833A, M019 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 146B?
146B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-035-7526. 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