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Technical Data Sheet
PartsTable / MRO / 921-0020-000
921-0020-000 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CAPACITOR,VARIABLE 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: CERAMIC OR PLASTIC CASE, body_style: TUBE TYPE, design_type: STRAIGHT, overall_length: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN, overall_diameter: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN, special_features: ROLLER TYPE: SOLID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-930-5590, 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→ 921-0020-000
NSN: 5910-00-930-5590
FSC: 5910
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialCERAMIC OR PLASTIC CASE
body_styleTUBE TYPE
design_typeSTRAIGHT
jack_quantity4
overall_length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
overall_diameter0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
special_featuresROLLER TYPE: SOLID
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentNICKEL TERMINAL
end_item_identificationAH-64 AIRFRAME, ROTARY WING AIRCRAFT
overall_outside_diameter1.6250 INCHES NOMINAL IN
specification/standard_data81349-MIL-F-15160/3 GOVERNMENT SPECIFICATION
NSN5910-00-930-5590
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE TITLE COMPONENT PN 921-0020-000 MFR CAPACITOR,VARIABLE
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
CE476Interchangeable
interchangeable cross-reference
interchangeable
L323Interchangeable
interchangeable cross-reference
interchangeable
827857Interchangeable
interchangeable cross-reference
interchangeable
2002658 REV U ITEM 7Interchangeable
interchangeable cross-reference
interchangeable
S137-5612Interchangeable
interchangeable cross-reference
interchangeable
4133700-22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 921-0020-000?
921-0020-000 is a CAPACITOR,VARIABLE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 921-0020-000?
There are 16 known substitutes for 921-0020-000: CE476, L323, 827857 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 921-0020-000?
921-0020-000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-930-5590. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026