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521880 — CAPACITOR,FIXED

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

521880: CAPACITOR,FIXED.

The CAPACITOR,FIXED 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: ALUMINUM ALLOY, construction: LAMINATED, outside_diameter: 0.600 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.355 INCHES NOMINAL IN, features_provided: SEPARABLE. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-080-9518, 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→ 521880
NSN: 5365-01-080-9518
NIINs: 010809518, 011120712
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
constructionLAMINATED
outside_diameter0.600 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.355 INCHES NOMINAL IN
features_providedSEPARABLE
lamination_quantity21
lamination_thickness0.003 INCHES NOMINAL IN
NSN5365-01-080-9518
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED TITLE COMPONENT PN 521880 MFR CAPACITOR,FIXED
KEY FEATURES
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 0.600 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.355 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEPARABLE
•
LAMINATION QUANTITY: 21
•
LAMINATION THICKNESS: 0.003 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
•
CONSTRUCTION: LAMINATED
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
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER0.600 INCHES NOMINAL IN
APERTURE DIAMETER0.355 INCHES NOMINAL IN
FEATURES PROVIDEDSEPARABLE
LAMINATION QUANTITY21
LAMINATION THICKNESS0.003 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
CONSTRUCTIONLAMINATED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 521880?
521880 is a CAPACITOR,FIXED. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 521880?
521880 is cataloged in the U.S. Government catalog under NSN 5365-01-080-9518. 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.