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120331 — CAPACITOR,ELECTRICAL

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

120331: CAPACITOR,ELECTRICAL.

The CAPACITOR,ELECTRICAL 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 special_features: 10A3A14, TI 6750.181, FA 10584, PG 8-96, 1A3A14, TI 6750.180, FA 10582, PG 8-96, 1A3A14, TI 6750.194, PG 84, end_item_identification: MARK 20. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-132-3218, 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→ 120331
NSN: 3020-00-132-3218
NIINs: 001323218, 004044624, 009296006, 009532436, 013632015, 016097039
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
special_features10A3A14, TI 6750.181, FA 10584, PG 8-96, 1A3A14, TI 6750.180, FA 10582, PG 8-96, 1A3A14, TI 6750.194, PG 84
end_item_identificationMARK 20
NSN3020-00-132-3218
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,ELECTRICAL TITLE COMPONENT PN 120331 MFR CAPACITOR,ELECTRICAL
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 4.620 INCHES NOMINAL AA END IN
•
BORE FEATURE: INCLUDED
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 3.515 INCHES MINIMUM AND 3.545 INCHES MAXIMUM IN
•
DESIGN FORM: PLAIN
•
OUTSIDE DIAMETER: 5.010 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
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
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER4.620 INCHES NOMINAL AA END IN
BORE FEATUREINCLUDED
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH3.515 INCHES MINIMUM AND 3.545 INCHES MAXIMUM IN
DESIGN FORMPLAIN
OUTSIDE DIAMETER5.010 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
OVERALL LENGTH3.515 INCHES MINIMUM AND 3.545 INCHES MAXIMUM IN
GROOVE DEPTH0.618 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120331?
120331 is a CAPACITOR,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 120331?
120331 is cataloged in the U.S. Government catalog under NSN 3020-00-132-3218. 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.