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821370 — CAPACITOR ASSEMBLY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

821370: 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. This part is cataloged in the U.S. Government catalog under NSN 1045-00-334-2663, 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→ 821370
NSN: 1045-00-334-2663
NIINs: 003342663, 013013843
FSC: 1045 — Launchers, Torpedo and Depth Charge
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number821370
NSN1045-00-334-2663
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR ASSEMBLY TITLE COMPONENT PN 821370 MFR CAPACITOR ASSEMBLY
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
SUBSTITUTES & CROSS-REFERENCES 1
BUWEPSDWG821370Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 821370?
821370 is a CAPACITOR ASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 821370?
There is 1 known substitute for 821370: BUWEPSDWG821370. Substitute compatibility should be verified for your specific system.
What is the NSN for 821370?
821370 is cataloged in the U.S. Government catalog under NSN 1045-00-334-2663. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.