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Technical Data Sheet
90021-6 ✓ 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,FIXED,ELECTROLYTIC 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 width: 0.500 INCHES NOMINAL IN, end_type: END HOOK, material: COPPER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR, plumb_bob: NOT INCLUDED, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-078-3905, 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 90021-6
NSN: 5210-00-078-3905
FSC: 5210
CAGE: 74067 — KEUFFEL AND ESSER CO (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
end_typeEND HOOK
materialCOPPER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR
plumb_bobNOT INCLUDED
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.240 INCHES MAXIMUM IN
design_typeGENERAL PURPOSE DISTANCE MEASURING
temp_rating-40.0 CELSIUS AND 125.0 CELSIUS DEGC
thread_class2A A
body_diameter0.512 INCHES MAXIMUM IN
conductor_formSOLID SINGLE CONDUCTOR
NSN5210-00-078-3905
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 90021-6 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
PLUMB BOB: NOT INCLUDED
DESIGN TYPE: GENERAL PURPOSE DISTANCE MEASURING
WIDTH: 0.500 INCHES NOMINAL IN
MATERIAL: STEEL
READING DIRECTION: LEFT TO RIGHT
WINDING METHOD: AUTOMATIC SPRING
END TYPE: END HOOK
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)
PLUMB BOBNOT INCLUDED
DESIGN TYPEGENERAL PURPOSE DISTANCE MEASURING
WIDTH0.500 INCHES NOMINAL IN
MATERIALSTEEL
SPECIAL FEATURESBLADE LOCK; BELT CLIP; FIRST 6 IN. GRADUATED IN 32NDS IN
READING DIRECTIONLEFT TO RIGHT
WINDING METHODAUTOMATIC SPRING
END TYPEEND HOOK
INCLOSURE TYPECASE
MEASURING CAPACITY12 FEET FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
900216Interchangeable
interchangeable cross-reference
interchangeable
ET100X025A2Interchangeable
interchangeable cross-reference
interchangeable
3073BA100T025JPInterchangeable
interchangeable cross-reference
interchangeable
5532970-02Interchangeable
interchangeable cross-reference
interchangeable
110077Interchangeable
interchangeable cross-reference
interchangeable
ET102X016A02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90021-6?
90021-6 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 90021-6?
There are 21 known substitutes for 90021-6: 900216, ET100X025A2, 3073BA100T025JP and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90021-6?
90021-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-078-3905. This indicates validated use in U.S. government and defense supply chains.
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