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1166A ✓ Verified by PartsTable
— · COMPONENT
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 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: BUTTON TOP, overall_height: 0.213 INCHES MAXIMUM IN, overall_diameter: 0.455 INCHES MAXIMUM IN, voltage_in_volts: 0.9, tap_voltage_in_volts: 1.5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-01-174-8057, 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
1166A
NSN: 6135-01-174-8057
FSC: 6135
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
shapeCYLINDRICAL
terminal_typeBUTTON TOP
overall_height0.213 INCHES MAXIMUM IN
overall_diameter0.455 INCHES MAXIMUM IN
voltage_in_volts0.9
terminal_quantity2
tap_voltage_in_volts1.5
supplementary_featuresTYPE NEDA 1166A A
NSN6135-01-174-8057
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN 1166A MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
SUPPLEMENTARY FEATURES: TYPE NEDA 1166A A
•
TERMINAL TYPE: BUTTON BOTTOM
•
SHAPE: CYLINDRICAL
•
OVERALL DIAMETER: 0.455 INCHES MAXIMUM IN
•
TAP VOLTAGE IN VOLTS: 1.5
•
VOLTAGE IN VOLTS: 0.9
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)
SUPPLEMENTARY FEATURESTYPE NEDA 1166A A
TERMINAL TYPEBUTTON BOTTOM
OVERALL HEIGHT0.213 INCHES MAXIMUM IN
SHAPECYLINDRICAL
OVERALL DIAMETER0.455 INCHES MAXIMUM IN
TERMINAL TYPEBUTTON TOP
TAP VOLTAGE IN VOLTS1.5
VOLTAGE IN VOLTS0.9
TERMINAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A76Interchangeable
interchangeable cross-reference
interchangeable
108508Interchangeable
interchangeable cross-reference
interchangeable
4-06C1Interchangeable
interchangeable cross-reference
interchangeable
WJ-A76Interchangeable
interchangeable cross-reference
interchangeable
A/76Interchangeable
interchangeable cross-reference
interchangeable
2DS759Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1166A?
1166A is a BATTERY,NONRECHARGEABLE.
What parts can replace 1166A?
There are 13 known substitutes for 1166A: A76, 108508, 4-06C1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1166A?
1166A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-01-174-8057. 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