PartsTable
Technical Data Sheet
PartsTable / MRO / 1166178-1
1166178-1 ✓ 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/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 2.250 INCHES MAXIMUM IN, body_height: 6.000 INCHES NOMINAL IN, body_length: 4.500 INCHES MAXIMUM IN, terminal_length: 0.750 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-246-3514, 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→ 1166178-1
NSN: 5910-01-246-3514
FSC: 5910
CAGE: 94117 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width2.250 INCHES MAXIMUM IN
body_height6.000 INCHES NOMINAL IN
body_length4.500 INCHES MAXIMUM IN
terminal_length0.750 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.190 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-49.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 THREADED STUD
tolerance_range_per_section-0.00 TO 50.00 PERCENT SINGLE SECTION
NSN5910-01-246-3514
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 1166178-1 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
TOLERANCE RANGE PER SECTION: -0.00 TO 50.00 PERCENT SINGLE SECTION
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 DC SINGLE SECTION
•
TERMINAL LENGTH: 0.750 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 80.000 MICROFARADS SINGLE SECTION
•
BODY HEIGHT: 6.000 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 5 UNTHREADED MOUNTING HOLES
•
UNTHREADED MOUNTING HOLE DIAMETER: 3.500 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)
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
TOLERANCE RANGE PER SECTION-0.00 TO 50.00 PERCENT SINGLE SECTION
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
TERMINAL LENGTH0.750 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION80.000 MICROFARADS SINGLE SECTION
BODY HEIGHT6.000 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY5 UNTHREADED MOUNTING HOLES
UNTHREADED MOUNTING HOLE DIAMETER3.500 INCHES NOMINAL IN
TERMINAL DIAMETER0.190 INCHES NOMINAL IN
BODY WIDTH2.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
371-24Interchangeable
interchangeable cross-reference
interchangeable
10117861Interchangeable
interchangeable cross-reference
interchangeable
7A20035 FIND NO. 4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1166178-1?
1166178-1 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1166178-1?
There are 3 known substitutes for 1166178-1: 371-24, 10117861, 7A20035 FIND NO. 4. Substitute compatibility should be verified for your specific system.
What is the NSN for 1166178-1?
1166178-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-246-3514. 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.
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Last verified: July 2026