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Technical Data Sheet
PartsTable / MRO / M39018-4-0093
M39018-4-0093 ✓ 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 body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 4.141 INCHES NOMINAL IN, body_diameter: 2.532 INCHES NOMINAL IN, terminal_length: 0.281 INCHES NOMINAL IN, terminal_diameter: 0.190 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-032-1822, 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→ M39018-4-0093
NSN: 5910-01-032-1822
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length4.141 INCHES NOMINAL IN
body_diameter2.532 INCHES NOMINAL IN
terminal_length0.281 INCHES NOMINAL IN
terminal_diameter0.190 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 THREADED HOLE
specification/standard_data81349-MIL-C-39018/4 GOVERNMENT SPECIFICATION
tolerance_range_per_section-10.00 TO 50.00 PERCENT SINGLE SECTION
NSN5910-01-032-1822
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN M39018-4-0093 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
TOLERANCE RANGE PER SECTION: -10.00 TO 50.00 PERCENT SINGLE SECTION
•
ELECTRICAL POLARIZATION: POLARIZED
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
TERMINAL LENGTH: 0.281 INCHES NOMINAL IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 300.0 DC SINGLE SECTION
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH: 1.125 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.190 INCHES NOMINAL IN
•
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS: 2.70
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)
TOLERANCE RANGE PER SECTION-10.00 TO 50.00 PERCENT SINGLE SECTION
ELECTRICAL POLARIZATIONPOLARIZED
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
TERMINAL LENGTH0.281 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION300.0 DC SINGLE SECTION
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.125 INCHES NOMINAL IN
TERMINAL DIAMETER0.190 INCHES NOMINAL IN
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS2.70
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
BODY LENGTH4.141 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
M39018/04-0093Interchangeable
Same NIIN cross-reference
interchangeable
MIL-C-39018/4Interchangeable
Same NIIN cross-reference
interchangeable
MIL-PRF-39018/4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M39018-4-0093?
M39018-4-0093 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M39018-4-0093?
There are 3 known substitutes for M39018-4-0093: M39018/04-0093, MIL-C-39018/4, MIL-PRF-39018/4. Substitute compatibility should be verified for your specific system.
What is the NSN for M39018-4-0093?
M39018-4-0093 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-032-1822. 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