PartsTable
Technical Data Sheet
PartsTable / MRO / 21153-6
21153-6 ✓ 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 material: COPPER ALLOY OVERALL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.629 INCHES NOMINAL IN, flange_depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN, flange_style: COVER TYPE SINGLE FLANGE, body_diameter: 0.243 INCHES NOMINAL 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 3110-00-120-4276, 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→ 21153-6
NSN: 3110-00-120-4276
FSC: 3110
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.629 INCHES NOMINAL IN
flange_depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN
flange_styleCOVER TYPE SINGLE FLANGE
body_diameter0.243 INCHES NOMINAL IN
overall_width2.0000 INCHES NOMINAL IN
adapter_height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
adapter_length1.188 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN
shank_diameter0.250 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
flange_quantity1
NSN3110-00-120-4276
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21153-6 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
•
OVERALL OUTSIDE DIAMETER: 1.5000 INCHES NOMINAL 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)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
SPECIAL FEATURESOUTSIDE DIAMETER IS 1.0000 INCHES NOMINAL. IN
OVERALL OUTSIDE DIAMETER1.5000 INCHES NOMINAL IN
OVERALL WIDTH2.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
160432Interchangeable
interchangeable cross-reference
interchangeable
1334857Interchangeable
interchangeable cross-reference
interchangeable
143696Interchangeable
interchangeable cross-reference
interchangeable
3862Interchangeable
interchangeable cross-reference
interchangeable
NOBLE3862Interchangeable
interchangeable cross-reference
interchangeable
1798039-29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21153-6?
21153-6 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21153-6?
There are 31 known substitutes for 21153-6: 160432, 1334857, 143696 and 28 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21153-6?
21153-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-4276. 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