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5C21 — CAPACITOR,FIXED,PAPER DIELECTRIC

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

5C21: CAPACITOR,FIXED,PAPER DIELECTRIC.

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, special_features: AFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24, style_designator: BALL, rolling_element_diameter: 0.1250 INCHES NOMINAL IN, material_document_and_classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-6147, 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
5C21
NSN: 3110-00-100-6147
NIINs: 001006147, 001006208
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 90475 — W-W GRINDER CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
special_featuresAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24
style_designatorBALL
rolling_element_diameter0.1250 INCHES NOMINAL IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN3110-00-100-6147
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5C21 · 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
•
ROLLING ELEMENT DIAMETER: 0.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
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
ROLLING ELEMENT DIAMETER0.1250 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SPECIAL FEATURESAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 10
474403PG925PC24Reference document
Same NSN cross-reference
Reference document — Secondary reference
145625Reference document
Same NSN cross-reference
Reference document — Secondary reference
733492Reference document
Same NSN cross-reference
Reference document — Secondary reference
343K482Reference document
Same NSN cross-reference
Reference document — Secondary reference
11500236Reference document
Same NSN cross-reference
Reference document — Secondary reference
025-4SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5C21?
5C21 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 5C21?
There are 10 known substitutes for 5C21: 474403PG925PC24, 145625, 733492 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5C21?
5C21 is cataloged in the U.S. Government catalog under NSN 3110-00-100-6147. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.