320A3994 — CAPACITOR ASSEMBLY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

320A3994: CAPACITOR ASSEMBLY.

The CAPACITOR 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: 0.918 INCHES NOMINAL IN, component_name: VARIABLE CERAMIC DIELECTRIC CAPACITOR, overall_height: 0.625 INCHES NOMINAL IN, overall_length: 1.668 INCHES NOMINAL IN, component_relationship: NOT MATCHED, end_item_identification: TYPE NO. R-390A/URR A.

This part is cataloged in the U.S. Government catalog under NSN 5910-00-668-5205, 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

MRO→ MRO_GENERAL→ 320A3994

NSN: 5910-00-668-5205
FSC: 5910 — Capacitors
CAGE: 94990 — MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP (USA)

SPECIFICATIONS

overall_width	0.918 INCHES NOMINAL IN
component_name	VARIABLE CERAMIC DIELECTRIC CAPACITOR
overall_height	0.625 INCHES NOMINAL IN
overall_length	1.668 INCHES NOMINAL IN
component_quantity	2
component_relationship	NOT MATCHED
end_item_identification	TYPE NO. R-390A/URR A
component_controlling_agency	ERIE RESISTOR CORP
component_identifying_number	TA TYPE NO.
NSN	5910-00-668-5205

COMPONENT DIAGRAM

KEY FEATURES

•

COMPONENT NAME: VARIABLE CERAMIC DIELECTRIC CAPACITOR

•

COMPONENT QUANTITY: 2

•

COMPONENT IDENTIFYING NUMBER: TA TYPE NO.

•

COMPONENT CONTROLLING AGENCY: ERIE RESISTOR CORP

•

COMPONENT RELATIONSHIP: NOT MATCHED

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

COMPONENT NAME	VARIABLE CERAMIC DIELECTRIC CAPACITOR
COMPONENT QUANTITY	2
OVERALL HEIGHT	0.625 INCHES NOMINAL IN
COMPONENT IDENTIFYING NUMBER	TA TYPE NO.
COMPONENT CONTROLLING AGENCY	ERIE RESISTOR CORP
OVERALL LENGTH	1.668 INCHES NOMINAL IN
OVERALL WIDTH	0.918 INCHES NOMINAL IN
COMPONENT RELATIONSHIP	NOT MATCHED
END ITEM IDENTIFICATION	TYPE NO. R-390A/URR A

SUBSTITUTES & CROSS-REFERENCES 4

318-7001Reference document

Same NSN cross-reference

Reference document — Secondary reference

SMC283229-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

917-1115-00Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

917-1115-000Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 320A3994?

320A3994 is a CAPACITOR ASSEMBLY. It is classified as a MRO (MRO_GENERAL).

What parts can replace 320A3994?

There are 4 known substitutes for 320A3994: 318-7001, SMC283229-1, 917-1115-00 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 320A3994?

320A3994 is cataloged in the U.S. Government catalog under NSN 5910-00-668-5205. This indicates validated use in U.S. government and defense supply chains.

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