M81757/11-1 — 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: 7.688 INCHES NOMINAL IN, overall_height: 8.812 INCHES NOMINAL IN, overall_length: 9.938 INCHES NOMINAL IN, battery_quantity: 19. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-01-105-0077, 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

M81757/11-1

NSN: 6140-01-105-0077
FSC: 6140
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

overall_width	7.688 INCHES NOMINAL IN
overall_height	8.812 INCHES NOMINAL IN
overall_length	9.938 INCHES NOMINAL IN
battery_quantity	19
NSN	6140-01-105-0077

COMPONENT DIAGRAM

KEY FEATURES

•

BATTERY QUANTITY: 19

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	19
OVERALL HEIGHT	8.812 INCHES NOMINAL IN
OVERALL LENGTH	9.938 INCHES NOMINAL IN
OVERALL WIDTH	7.688 INCHES NOMINAL IN

VERIFIED SUBSTITUTES & CROSS-REFERENCES 15

M81757/10-1Upgraded Successor

successor cross-reference

successor

MIL-B-81757/10Upgraded Successor

successor cross-reference

successor

27735-03CUpgraded Successor

successor cross-reference

successor

AS18627Interchangeable

interchangeable cross-reference

interchangeable

18627Interchangeable

interchangeable cross-reference

interchangeable

18627-01Interchangeable

interchangeable cross-reference

interchangeable

LIFECYCLE

StatusCANCELLED

Availability—

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is M81757/11-1?

M81757/11-1 is a BATTERY ASSEMBLY.

What parts can replace M81757/11-1?

There are 15 known substitutes for M81757/11-1: M81757/10-1, MIL-B-81757/10, 27735-03C and 12 more. Substitute compatibility should be verified for your specific system.

Is M81757/11-1 still available?

M81757/11-1 is currently cancelled.

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M81757/11-1 — Technical Data Sheet

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