PartsTable
Technical Data Sheet
PartsTable / MRO / 031-187
031-187 ✓ 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 special_features: PLASTIC BODY; STRAIGHT; 2 ENDS; USE WITH THE ARIZONA INSTRUMENT JEROME 431-X MERCURY VAPOR ANALYZER, end_item_identification: MERCURY VAPOR ANALYZER:6630-01-510-9260, part_name_assigned_by_controlling_agency: FILTER ZERO AIR VAPOR ANALYZER 431-X. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-879-0123, 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→ 031-187
NSN: 5910-00-879-0123
FSC: 5910
CAGE: 92739 — AMPEX SYSTEMS CORP (USA)
SPECIFICATIONS
special_featuresPLASTIC BODY; STRAIGHT; 2 ENDS; USE WITH THE ARIZONA INSTRUMENT JEROME 431-X MERCURY VAPOR ANALYZER
end_item_identificationMERCURY VAPOR ANALYZER:6630-01-510-9260
part_name_assigned_by_controlling_agencyFILTER ZERO AIR VAPOR ANALYZER 431-X
NSN5910-00-879-0123
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 031-187 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 23
ET151X025A6Interchangeable
interchangeable cross-reference
interchangeable
3073FE151T025JPInterchangeable
interchangeable cross-reference
interchangeable
TC25015AInterchangeable
interchangeable cross-reference
interchangeable
D36204Interchangeable
interchangeable cross-reference
interchangeable
0180-0136Interchangeable
interchangeable cross-reference
interchangeable
40D106F050DC4M1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 031-187?
031-187 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 031-187?
There are 23 known substitutes for 031-187: ET151X025A6, 3073FE151T025JP, TC25015A and 20 more. Substitute compatibility should be verified for your specific system.
Is 031-187 still available?
031-187 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