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,STORAGE 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 end_item_identification: AN/TAS-4. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-01-419-8193, 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
BB-503
NSN:6140-01-419-8193 FSC:6140 CAGE:81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
end_item_identification
AN/TAS-4
NSN
6140-01-419-8193
COMPONENT DIAGRAM
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
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FREQUENTLY ASKED QUESTIONS
What is BB-503?
BB-503 is a BATTERY,STORAGE.
What parts can replace BB-503?
There are 23 known substitutes for BB-503: 15760, S&T MICRO FORCEPS, 18CM, 6515NCM104242 and 20 more. Substitute compatibility should be verified for your specific system.
Is BB-503 still available?
BB-503 is currently cancelled.
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