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PartsTable / COMPONENT / 303843
303843 ✓ 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,PRIMARY is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-00-485-7402, 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
303843
NSN: 6135-00-485-7402
FSC: 6135
CAGE: 90303 — DURACELL INC (USA)
SPECIFICATIONS
Part Number303843
NSN6135-00-485-7402
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,PRIMARY TITLE COMPONENT PN 303843 MFR BATTERY,PRIMARY
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
303843Interchangeable
interchangeable cross-reference
interchangeable
15A00406-0000 ITEM NO 40Interchangeable
interchangeable cross-reference
interchangeable
B1821BH038C150NInterchangeable
interchangeable cross-reference
interchangeable
F313224Interchangeable
interchangeable cross-reference
interchangeable
313224Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303843?
303843 is a BATTERY,PRIMARY.
What parts can replace 303843?
There are 5 known substitutes for 303843: 303843, 15A00406-0000 ITEM NO 40, B1821BH038C150N and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303843?
303843 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-00-485-7402. 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