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A3546 — CAPACITOR,VARIABLE,GLASS DIELECT

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A3546: CAPACITOR,VARIABLE,GLASS DIELECT.

CAPACITOR,VARIABLE,GLASS DIELECT. Key specifications include power_source: EXTERNAL, inclosure_type: ENCASED, mounting_method: SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-144-8662, 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
A3546
NSN: 3110-00-144-8662
NIINs: 001448662, 002894225, 010629262, 010629266, 012045083
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 54227 — SERVICE SUPPLY CORP (USA)
SPECIFICATIONS
power_sourceEXTERNAL
inclosure_typeENCASED
mounting_methodSURFACE
NSN3110-00-144-8662
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A3546 · 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
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 3.1496 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
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
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.7087 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.1496 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
ALIGNMENT TYPERIGID
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONPRIMARILY RADIAL
SUBSTITUTES & CROSS-REFERENCES 10
3208XIAReference document
Same NSN cross-reference
Reference document — Secondary reference
903208Reference document
Same NSN cross-reference
Reference document — Secondary reference
30D86Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
312062Reference document
Same NSN cross-reference
Reference document — Secondary reference
3007501-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
319687-99Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A3546?
A3546 is a CAPACITOR,VARIABLE,GLASS DIELECT.
What parts can replace A3546?
There are 10 known substitutes for A3546: 3208XIA, 903208, 30D86 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3546?
A3546 is cataloged in the U.S. Government catalog under NSN 3110-00-144-8662. 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.