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A551C11996-1 ✓ 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 HEATER UNIT,BATTERY 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 general_characteristics_item_description: NEOPRENE COVER,16.594 IN. WIDE,17.547 IN.

LONG,110 VOLTS,280 WATTS,BATTERY BOX RIGHT SECTION IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-00-145-2843, 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
A551C11996-1
NSN: 6140-00-145-2843
FSC: 6140
CAGE: 09052 — SAFT AMERICA INC. DBA TADIRAN BATTERIES DIV AVIATION DIVISION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNEOPRENE COVER,16.594 IN. WIDE,17.547 IN. LONG,110 VOLTS,280 WATTS,BATTERY BOX RIGHT SECTION IN
NSN6140-00-145-2843
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER UNIT,BATTERY TITLE COMPONENT PN A551C11996-1 MFR HEATER UNIT,BATTERY
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NEOPRENE COVER,16.594 IN. WIDE,17.547 IN. LONG,110 VOLTS,280 WATTS,BATTERY BOX RIGHT SECTION IN
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)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNEOPRENE COVER,16.594 IN. WIDE,17.547 IN. LONG,110 VOLTS,280 WATTS,BATTERY BOX RIGHT SECTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AN227-19SInterchangeable
interchangeable cross-reference
interchangeable
MS27977-8NInterchangeable
interchangeable cross-reference
interchangeable
119961Interchangeable
interchangeable cross-reference
interchangeable
4210606-4-4-4C-24.00Interchangeable
interchangeable cross-reference
interchangeable
421-06C-4-4-4-24Interchangeable
interchangeable cross-reference
interchangeable
C11996-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A551C11996-1?
A551C11996-1 is a HEATER UNIT,BATTERY.
What parts can replace A551C11996-1?
There are 7 known substitutes for A551C11996-1: AN227-19S, MS27977-8N, 119961 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A551C11996-1?
A551C11996-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-00-145-2843. 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