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Technical Data Sheet
661B ✓ 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 material: STEEL COMP 1212 OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.190 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.094 INCHES NOMINAL 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 6135-00-100-0453, 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
661B
NSN: 6135-00-100-0453
FSC: 6135
CAGE: 77542 — SPECTRUM BRANDS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.190 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.094 INCHES NOMINAL IN
hole_quantity6
overall_width5.250 INCHES NOMINAL IN
terminal_typeSTUD W/NUT TOP
thread_length0.940 INCHES MINIMUM IN
overall_height7.469 INCHES MAXIMUM IN
overall_length7.813 INCHES NOMINAL IN
NSN6135-00-100-0453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN 661B MFR BATTERY,NONRECHARGEABL
KEY FEATURES
TERMINAL QUANTITY: 2
NONDEFINITIVE SPEC/STD DATA: NO. BA-236/U TYPE
TERMINAL TYPE: STUD W/NUT TOP
VOLTAGE IN VOLTS: 9.0
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)
TERMINAL QUANTITY2
NONDEFINITIVE SPEC/STD DATANO. BA-236/U TYPE
OVERALL WIDTH5.250 INCHES NOMINAL IN
OVERALL HEIGHT7.469 INCHES MAXIMUM IN
OVERALL LENGTH7.813 INCHES NOMINAL IN
TERMINAL TYPESTUD W/NUT TOP
VOLTAGE IN VOLTS9.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A-A-50553Interchangeable
interchangeable cross-reference
interchangeable
5320Interchangeable
interchangeable cross-reference
interchangeable
1924Interchangeable
interchangeable cross-reference
interchangeable
32283Interchangeable
interchangeable cross-reference
interchangeable
5P1259Interchangeable
interchangeable cross-reference
interchangeable
1-662Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 661B?
661B is a BATTERY,NONRECHARGEABLE.
What parts can replace 661B?
There are 21 known substitutes for 661B: A-A-50553, 5320, 1924 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 661B?
661B is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-00-100-0453. This indicates validated use in U.S. government and defense supply chains.
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