MIL-B-81757/10 — 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 ASSEMBLY 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 overall_width: 6.482 INCHES NOMINAL IN, overall_height: 6.875 INCHES NOMINAL IN, overall_length: 6.910 INCHES NOMINAL IN, battery_quantity: 18. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-01-104-9581, 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-81757/10

NSN: 6140-01-104-9581
FSC: 6140
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

overall_width	6.482 INCHES NOMINAL IN
overall_height	6.875 INCHES NOMINAL IN
overall_length	6.910 INCHES NOMINAL IN
battery_quantity	18
NSN	6140-01-104-9581

COMPONENT DIAGRAM

KEY FEATURES

•

BATTERY QUANTITY: 18

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)

BATTERY QUANTITY	18
OVERALL WIDTH	6.482 INCHES NOMINAL IN
OVERALL LENGTH	6.910 INCHES NOMINAL IN
OVERALL HEIGHT	6.875 INCHES NOMINAL IN

VERIFIED SUBSTITUTES & CROSS-REFERENCES 28

19470Upgraded Successor

successor cross-reference

successor

6140PL1014133Upgraded Successor

successor cross-reference

successor

RG5-1Upgraded Successor

successor cross-reference

successor

VNC22Upgraded Successor

successor cross-reference

successor

MS90321-78Upgraded Successor

successor cross-reference

successor

MIL-B-81757Upgraded Successor

successor cross-reference

successor

LIFECYCLE

StatusCANCELLED

Availability—

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is MIL-B-81757/10?

MIL-B-81757/10 is a BATTERY ASSEMBLY.

What parts can replace MIL-B-81757/10?

There are 28 known substitutes for MIL-B-81757/10: 19470, 6140PL1014133, RG5-1 and 25 more. Substitute compatibility should be verified for your specific system.

Is MIL-B-81757/10 still available?

MIL-B-81757/10 is currently cancelled.

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MIL-B-81757/10 — Technical Data Sheet

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