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Technical Data Sheet
PartsTable / COMPONENT / 5099KX
5099KX ✓ 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,VARIABLE,AIR DIELECTRI. Key specifications include standard_bore_diameter: 4.625 INCHES IN, ring_set_component_parts: COMPRESSION RING,77220,8,COMPRESSION RING,70CM,77220,4,OIL RING,77220,77220,4 CM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-499-8274, 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
5099KX
NSN: 2805-00-499-8274
FSC: 2805
CAGE: 53781 — SPX CORP (USA)
SPECIFICATIONS
standard_bore_diameter4.625 INCHES IN
ring_set_component_partsCOMPRESSION RING,77220,8,COMPRESSION RING,70CM,77220,4,OIL RING,77220,77220,4 CM
piston_accommodation_quantity4
NSN2805-00-499-8274
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 5099KX MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
PISTON ACCOMMODATION QUANTITY: 4
•
RING SET COMPONENT PARTS: COMPRESSION RING,77220,8,COMPRESSION RING,70CM,77220,4,OIL RING,77220,77220,4 CM
•
STANDARD BORE DIAMETER: 4.625 INCHES IN
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)
PISTON ACCOMMODATION QUANTITY4
RING SET COMPONENT PARTSCOMPRESSION RING,77220,8,COMPRESSION RING,70CM,77220,4,OIL RING,77220,77220,4 CM
STANDARD BORE DIAMETER4.625 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
121458Interchangeable
interchangeable cross-reference
interchangeable
WA39Interchangeable
interchangeable cross-reference
interchangeable
DS-934047Interchangeable
interchangeable cross-reference
interchangeable
4855Interchangeable
interchangeable cross-reference
interchangeable
HY20950Interchangeable
interchangeable cross-reference
interchangeable
6233Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5099KX?
5099KX is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 5099KX?
There are 23 known substitutes for 5099KX: 121458, WA39, DS-934047 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5099KX?
5099KX is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-499-8274. 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