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MIL-B-18/5 — Technical Data Sheet

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— · 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 terminal_type: STUD W/NUT TOP, overall_height: 6.720 INCHES NOMINAL IN, overall_diameter: 2.668 INCHES NOMINAL IN, voltage_in_volts: 1.5, nondefinitive_spec/std_data: NO.BA-23 TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6135-00-050-0915, 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
MIL-B-18/5
NSN: 6135-00-050-0915
FSC: 6135
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
terminal_typeSTUD W/NUT TOP
overall_height6.720 INCHES NOMINAL IN
overall_diameter2.668 INCHES NOMINAL IN
voltage_in_volts1.5
terminal_quantity2
nondefinitive_spec/std_dataNO.BA-23 TYPE
NSN6135-00-050-0915
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN MIL-B-18/5 MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: NO.BA-23 TYPE
•
TERMINAL QUANTITY: 2
•
OVERALL DIAMETER: 2.668 INCHES NOMINAL IN
•
TERMINAL TYPE: STUD W/NUT TOP
•
VOLTAGE IN VOLTS: 1.5
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
NONDEFINITIVE SPEC/STD DATANO.BA-23 TYPE
TERMINAL QUANTITY2
OVERALL HEIGHT6.720 INCHES NOMINAL IN
OVERALL DIAMETER2.668 INCHES NOMINAL IN
TERMINAL TYPESTUD W/NUT TOP
VOLTAGE IN VOLTS1.5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
HS6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-C-406InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-433InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7471084-501InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NO. 6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
100-4148InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-18/5?
MIL-B-18/5 is a BATTERY,NONRECHARGEABLE.
What parts can replace MIL-B-18/5?
There are 16 known substitutes for MIL-B-18/5: HS6, GGG-C-406, A-A-433 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-18/5?
MIL-B-18/5 is cataloged in the Federal Logistics Information System under NSN 6135-00-050-0915. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026