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Technical Data Sheet
BA403U ✓ 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 overall_width: 1.375 INCHES NOMINAL IN, terminal_type: SOCKET TOP, overall_height: 4.500 INCHES NOMINAL IN, overall_length: 3.937 INCHES NOMINAL IN, voltage_in_volts: 1.5, nondefinitive_spec/std_data: NO. BA-403/U TYPE.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-00-125-5255, 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
BA403U
NSN: 6135-00-125-5255
FSC: 6135
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_width1.375 INCHES NOMINAL IN
terminal_typeSOCKET TOP
overall_height4.500 INCHES NOMINAL IN
overall_length3.937 INCHES NOMINAL IN
contact_quantity2
voltage_in_volts1.5
terminal_quantity1
dummy_terminal_quantity6
nondefinitive_spec/std_dataNO. BA-403/U TYPE
NSN6135-00-125-5255
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN BA403U MFR BATTERY,NONRECHARGEABL
KEY FEATURES
VOLTAGE IN VOLTS: 1.5
DUMMY TERMINAL QUANTITY: 6
CONTACT QUANTITY: 2
TERMINAL TYPE: SOCKET TOP
NONDEFINITIVE SPEC/STD DATA: NO. BA-403/U TYPE
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)
VOLTAGE IN VOLTS1.5
DUMMY TERMINAL QUANTITY6
OVERALL LENGTH3.937 INCHES NOMINAL IN
OVERALL HEIGHT4.500 INCHES NOMINAL IN
OVERALL WIDTH1.375 INCHES NOMINAL IN
CONTACT QUANTITY2
TERMINAL TYPESOCKET TOP
NONDEFINITIVE SPEC/STD DATANO. BA-403/U TYPE
TERMINAL QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
8403Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/1660Interchangeable
interchangeable cross-reference
interchangeable
MILE1-1660Interchangeable
interchangeable cross-reference
interchangeable
8105564Interchangeable
interchangeable cross-reference
interchangeable
128TYPE8SIZESSTYLE43Interchangeable
interchangeable cross-reference
interchangeable
AA59214-8B4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BA403U?
BA403U is a BATTERY,NONRECHARGEABLE.
What parts can replace BA403U?
There are 18 known substitutes for BA403U: 8403, MIL-PRF-1/1660, MILE1-1660 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BA403U?
BA403U is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-00-125-5255. This indicates validated use in U.S. government and defense supply chains.
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