53-81991 — BATTERY,NONRECHARGEABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

53-81991: BATTERY,NONRECHARGEABLE.

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 shape: CYLINDRICAL, overall_width: 1.125 INCHES NOMINAL IN, terminal_type: FLAT SURFACE CAP, overall_height: 1.112 INCHES NOMINAL IN, overall_length: 5.105 INCHES NOMINAL IN, voltage_in_volts: 13.5. This part is cataloged in the U.S.

Government catalog under NSN 6135-00-782-6988, 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

53-81991

NSN: 6135-00-782-6988
NIINs: 007826988, 014282369
FSC: 6135 — Batteries, Nonrechargeable
CAGE: 37695 — RAYTHEON COMPANY (USA)

SPECIFICATIONS

shape	CYLINDRICAL
overall_width	1.125 INCHES NOMINAL IN
terminal_type	FLAT SURFACE CAP
overall_height	1.112 INCHES NOMINAL IN
overall_length	5.105 INCHES NOMINAL IN
voltage_in_volts	13.5
terminal_quantity	2
NSN	6135-00-782-6988

COMPONENT DIAGRAM

KEY FEATURES

•

TERMINAL QUANTITY: 2

•

TERMINAL TYPE: FLAT SURFACE BASE

•

VOLTAGE IN VOLTS: 13.5

•

SHAPE: CYLINDRICAL

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

OVERALL HEIGHT	1.112 INCHES NOMINAL IN
TERMINAL QUANTITY	2
TERMINAL TYPE	FLAT SURFACE BASE
TERMINAL TYPE	FLAT SURFACE CAP
VOLTAGE IN VOLTS	13.5
SHAPE	CYLINDRICAL
OVERALL LENGTH	5.105 INCHES NOMINAL IN
OVERALL WIDTH	1.125 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

BA1113URC64Reference document

Same NSN cross-reference

Reference document — Secondary reference

69D276Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

HAZMAT per U.S. Government catalogNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 53-81991?

53-81991 is a BATTERY,NONRECHARGEABLE.

What parts can replace 53-81991?

There are 2 known substitutes for 53-81991: BA1113URC64, 69D276. Substitute compatibility should be verified for your specific system.

What is the NSN for 53-81991?

53-81991 is cataloged in the U.S. Government catalog under NSN 6135-00-782-6988. This indicates validated use in U.S. government and defense supply chains.

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53-81991 — BATTERY,NONRECHARGEABLE

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