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1131SO — BATTERY,NONRECHARGEABLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1131SO: BATTERY,NONRECHARGEABLE.

The BATTERY,NONRECHARGEABLE 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 shape: CYLINDRICAL, terminal_type: FLAT SURFACE CAP, overall_length: 0.190 INCHES NOMINAL IN, overall_diameter: 0.455 INCHES NOMINAL IN, voltage_in_volts: 1.5. This part is cataloged in the U.S.

Government catalog under NSN 6135-00-993-6823, 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
1131SO
NSN: 6135-00-993-6823
FSC: 6135 — Batteries, Nonrechargeable
CAGE: 4U407 — EASTERN CAROLINA VOCATIONAL CENTER INC (USA)
SPECIFICATIONS
shapeCYLINDRICAL
terminal_typeFLAT SURFACE CAP
overall_length0.190 INCHES NOMINAL IN
overall_diameter0.455 INCHES NOMINAL IN
voltage_in_volts1.5
terminal_quantity1
NSN6135-00-993-6823
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN 1131SO MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
TERMINAL QUANTITY: 1
•
TERMINAL TYPE: FLAT SURFACE BASE
•
OVERALL DIAMETER: 0.455 INCHES NOMINAL IN
•
VOLTAGE IN VOLTS: 1.5
•
SHAPE: CYLINDRICAL
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
TERMINAL QUANTITY1
TERMINAL TYPEFLAT SURFACE BASE
TERMINAL TYPEFLAT SURFACE CAP
OVERALL DIAMETER0.455 INCHES NOMINAL IN
VOLTAGE IN VOLTS1.5
SHAPECYLINDRICAL
OVERALL LENGTH0.190 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
EPX-77Reference document
Same NSN cross-reference
Reference document — Secondary reference
1107AReference document
Same NSN cross-reference
Reference document — Secondary reference
BT303Reference document
Same NSN cross-reference
Reference document — Secondary reference
WS16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogShelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1131SO?
1131SO is a BATTERY,NONRECHARGEABLE.
What parts can replace 1131SO?
There are 4 known substitutes for 1131SO: EPX-77, 1107A, BT303 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1131SO?
1131SO is cataloged in the U.S. Government catalog under NSN 6135-00-993-6823. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.