1521-03 — CHARGER,BATTERY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1521-03: CHARGER,BATTERY.

The CHARGER,BATTERY 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 OVERALL, end_style: ANGULAR END (RIGHT) SECOND END, hook_radius: 0.375 INCHES NOMINAL OVERALL IN, coil_quantity: 10, inside_diameter: 0.700 INCHES NOMINAL IN, style_designator: SINGLE TORSION LEFT HAND. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-306-0281, 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

1521-03

NSN: 5360-00-306-0281
NIINs: 003060281, 014185203
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 72957 — ELLIOTT COMPANY DIV JEANNETTE (USA)

SPECIFICATIONS

material	STEEL OVERALL
end_style	ANGULAR END (RIGHT) SECOND END
hook_radius	0.375 INCHES NOMINAL OVERALL IN
coil_quantity	10
inside_diameter	0.700 INCHES NOMINAL IN
style_designator	SINGLE TORSION LEFT HAND
surface_treatment	CADMIUM OVERALL
hook_opening_width	0.001 INCHES NOMINAL OVERALL IN
spring_free_length	0.938 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND
end_angular_relationship	ENDS ANGLED ONE TO OTHER
spring_free_outside_diameter	0.844 INCHES NOMINAL IN
NSN	5360-00-306-0281

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.844 INCHES NOMINAL IN

•

END STYLE: EXTENDED EYE END FIRST END

•

STYLE DESIGNATOR: SINGLE TORSION LEFT HAND

•

SPRING FREE LENGTH: 0.938 INCHES NOMINAL IN

•

INSIDE DIAMETER: 0.700 INCHES NOMINAL IN

•

END LENGTH FROM FIRST BEND TO SECOND BEND OR END: 0.375 INCHES NOMINAL OVERALL IN

•

COIL QUANTITY: 10

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

SPRING FREE OUTSIDE DIAMETER	0.844 INCHES NOMINAL IN
END STYLE	EXTENDED EYE END FIRST END
END STYLE	ANGULAR END (RIGHT) SECOND END
STYLE DESIGNATOR	SINGLE TORSION LEFT HAND
SPRING FREE LENGTH	0.938 INCHES NOMINAL IN
INSIDE DIAMETER	0.700 INCHES NOMINAL IN
END LENGTH FROM FIRST BEND TO SECOND BEND OR END	0.375 INCHES NOMINAL OVERALL IN
COIL QUANTITY	10
SURFACE TREATMENT	CADMIUM OVERALL
COIL HELIX DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 4

G359576ITEM5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

356686ITEM5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

356211ITEM5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

356715ITEM5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1521-03?

1521-03 is a CHARGER,BATTERY.

What parts can replace 1521-03?

There are 4 known substitutes for 1521-03: G359576ITEM5, 356686ITEM5, 356211ITEM5 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 1521-03?

1521-03 is cataloged in the U.S. Government catalog under NSN 5360-00-306-0281. This indicates validated use in U.S. government and defense supply chains.

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1521-03 — CHARGER,BATTERY

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