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Technical Data Sheet
21-1520 ✓ Verified by PartsTable
Corolle · 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

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: ALUMINUM ALLOY, bore_diameter: 0.870 INCHES NOMINAL IN, overall_width: 1.380 INCHES NOMINAL IN, overall_height: 2.070 INCHES NOMINAL IN, extended_length: 4.370 INCHES NOMINAL IN, pressure_rating: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-302-1865, 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 21-1520
NSN: 3040-00-302-1865
FSC: 3040
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
bore_diameter0.870 INCHES NOMINAL IN
overall_width1.380 INCHES NOMINAL IN
overall_height2.070 INCHES NOMINAL IN
extended_length4.370 INCHES NOMINAL IN
pressure_rating1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
outside_diameter3.812 INCHES MAXIMUM IN
special_features3.312 IN.ID,0.500-18 IN.NPT THD SIZE INTERNAL PORT,PIECE MARKED TOP IN
compressed_length3.250 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
design_characteristicsSINGLE ACTING SINGLE CYLINDER
integral_valve_operation_methodHYDRAULIC
NSN3040-00-302-1865
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Corolle CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 21-1520 MFR Corolle CAPACITOR,FIXED,CERAMI
KEY FEATURES
OUTSIDE DIAMETER: 3.812 INCHES MAXIMUM IN
MATERIAL: ALUMINUM ALLOY
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 (FLIS)
OUTSIDE DIAMETER3.812 INCHES MAXIMUM IN
SPECIAL FEATURES3.312 IN.ID,0.500-18 IN.NPT THD SIZE INTERNAL PORT,PIECE MARKED TOP IN
MATERIALALUMINUM ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2001128Interchangeable
interchangeable cross-reference
interchangeable
211520Interchangeable
interchangeable cross-reference
interchangeable
190-90280Interchangeable
interchangeable cross-reference
interchangeable
15793000Interchangeable
interchangeable cross-reference
interchangeable
55-5324-2133Interchangeable
interchangeable cross-reference
interchangeable
20269-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-1520?
21-1520 is a CAPACITOR,FIXED,CERAMIC DIELECTR manufactured by Corolle. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-1520?
There are 11 known substitutes for 21-1520: 2001128, 211520, 190-90280 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-1520?
21-1520 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-302-1865. This indicates validated use in U.S. government and defense supply chains.
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