PartsTable
Technical Data Sheet
PartsTable / MRO / 820-432
820-432 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
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 phase: SINGLE SINGLE VOLTAGE, length: 11.375 INCHES NOMINAL IN, material: COPPER SHEATH, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, bore_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-758-6279, 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→ 820-432
NSN: 3110-00-758-6279
FSC: 3110
CAGE: 80206 — NAVAL AIR DEVELOPMENT CENTER WARMINSTER NAVAIRSYSCOM HQ (USA)
SPECIFICATIONS
phaseSINGLE SINGLE VOLTAGE
length11.375 INCHES NOMINAL IN
materialCOPPER SHEATH
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
bore_shapeSTRAIGHT
body_length5.657 INCHES NOMINAL IN
body_diameter3.032 INCHES NOMINAL IN
bore_diameter60.0 MILLIMETERS NOMINAL MM
heat_quantity1
overall_width22.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
NSN3110-00-758-6279
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 820-432 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RETAINER FABRICATION METHOD: MACHINED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
MATERIAL: COPPER ALLOY RETAINER
•
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
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)
RETAINER FABRICATION METHODMACHINED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
STYLE DESIGNATOR4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
OVERALL WIDTH22.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER110.0 MILLIMETERS NOMINAL MM
INTERNAL CLEARANCE0.0033 INCHES MINIMUM RADIAL AND 0.0045 INCHES MAXIMUM RADIAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MT-345AInterchangeable
interchangeable cross-reference
interchangeable
322341Interchangeable
interchangeable cross-reference
interchangeable
714LC1275Interchangeable
interchangeable cross-reference
interchangeable
36D483G040DF2BInterchangeable
interchangeable cross-reference
interchangeable
110257Interchangeable
interchangeable cross-reference
interchangeable
2731-390Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820-432?
820-432 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 820-432?
There are 10 known substitutes for 820-432: MT-345A, 322341, 714LC1275 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820-432?
820-432 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-758-6279. 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