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PartsTable / COMPONENT / HS21HV
HS21HV ✓ Verified by PartsTable
— · COMPONENT
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,PAPER DIELECTRIC. Key specifications include color: OLIVE DRAB, diameter: 21.8 MILLIMETERS NOMINAL MM, material: ALUMINUM, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_style: STRAIGHT SHAPE, INTERNAL COUPLING, shell_type: SOLID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-665-9568, 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
HS21HV
NSN: 5940-00-665-9568
FSC: 5940
CAGE: 90008 — HI-SCALE PRODUCTS CORP (USA)
SPECIFICATIONS
colorOLIVE DRAB
diameter21.8 MILLIMETERS NOMINAL MM
materialALUMINUM
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
shell_typeSOLID
body_length0.780 INCHES MAXIMUM IN
thread_class2B
bore_diameter0.625 INCHES NOMINAL IN
overall_width19.0 MILLIMETERS NOMINAL MM
rating_methodELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
terminal_typeCRIMP SINGLE MATING END ALL CONTACT GROUPINGS
NSN5940-00-665-9568
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN HS21HV MFR CAPACITOR,FIXED,PAPER
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 30
96X394AInterchangeable
interchangeable cross-reference
interchangeable
29214HInterchangeable
interchangeable cross-reference
interchangeable
4250837-4Interchangeable
interchangeable cross-reference
interchangeable
759Interchangeable
interchangeable cross-reference
interchangeable
CS14Interchangeable
interchangeable cross-reference
interchangeable
E2/0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS21HV?
HS21HV is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace HS21HV?
There are 30 known substitutes for HS21HV: 96X394A, 29214H, 4250837-4 and 27 more. Substitute compatibility should be verified for your specific system.
Is HS21HV still available?
HS21HV is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026