3866H346 — BATTERY POWER SUPPLY

✓ Government record, cited

— · PSU

PRODUCT OVERVIEW

3866H346: BATTERY POWER SUPPLY.

The BATTERY POWER SUPPLY is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. This part is cataloged in the U.S. Government catalog under NSN 2520-00-433-2218, 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

3866H346

NSN: 2520-00-433-2218
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)

SPECIFICATIONS

NSN	2520-00-433-2218

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST IRON,PEARLITIC,5.125 IN. OD,4.875 IN. BOLT HOLE CENTER LINE DIA,COVER 0.188 IN. THK,6 HOLES 0.469 IN. DIA,RECESS DEPTH OF COVER 0.750 IN. IN

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

GENERAL CHARACTERISTICS ITEM DESCRIPTION	CAST IRON,PEARLITIC,5.125 IN. OD,4.875 IN. BOLT HOLE CENTER LINE DIA,COVER 0.188 IN. THK,6 HOLES 0.469 IN. DIA,RECESS DEPTH OF COVER 0.750 IN. IN
END ITEM IDENTIFICATION	HARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN3810-00-151-4431

SUBSTITUTES & CROSS-REFERENCES 3

73240Reference document

Same NSN cross-reference

Reference document — Secondary reference

187295R1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

322140Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3866H346?

3866H346 is a BATTERY POWER SUPPLY.

What parts can replace 3866H346?

There are 3 known substitutes for 3866H346: 73240, 187295R1, 322140. Substitute compatibility should be verified for your specific system.

What is the NSN for 3866H346?

3866H346 is cataloged in the U.S. Government catalog under NSN 2520-00-433-2218. This indicates validated use in U.S. government and defense supply chains.

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3866H346 — BATTERY POWER SUPPLY

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