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43843 ✓ 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 material: STEEL COMP 632, ring_style: INTERNAL, usage_design: INTERNAL, administration: ORAL, major_thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, outside_diameter: 1.031 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-3621, 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
43843
NSN: 5950-00-647-3621
FSC: 5950
CAGE: 73386 — FREED TRANSFORMER CO (USA)
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleINTERNAL
usage_designINTERNAL
administrationORAL
major_thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
outside_diameter1.031 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN
special_features240.000 MILLIGRAMS OF LIVER-STOMACH EXTRACT WITH INTRIONSIC FACTOR
surface_treatmentPASSIVATE
primary_container_typeBOTTLE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5950-00-647-3621
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 43843 MFR CAPACITOR,VARIABLE,AIR
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 24
A02PS566-1Interchangeable
interchangeable cross-reference
interchangeable
S15293Interchangeable
interchangeable cross-reference
interchangeable
5750Interchangeable
interchangeable cross-reference
interchangeable
1823Interchangeable
interchangeable cross-reference
interchangeable
13227E9646-2Interchangeable
interchangeable cross-reference
interchangeable
1823-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43843?
43843 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 43843?
There are 24 known substitutes for 43843: A02PS566-1, S15293, 5750 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43843?
43843 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-3621. 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