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303566 — CAPACITOR,FIXED,CERAMIC DIELECTR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

303566: CAPACITOR,FIXED,CERAMIC DIELECTR.

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include face_width: 1.045 INCHES NOMINAL IN, helix_angle: 30.0000 DEGREES, gear_material: STEEL, overall_length: 10.750 INCHES NOMINAL IN, shaft_end_size: 1.500 INCHES IN, shaft_end_type: SPLINED STRAIGHT AND SPLINED INVOLUTE, INTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-516-5289, 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
303566
NSN: 3110-00-516-5289
NIINs: 005165289, 007520994, 015950513
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 31568 — TEXTRON INC JACOBSEN DIV (USA)
SPECIFICATIONS
face_width1.045 INCHES NOMINAL IN
helix_angle30.0000 DEGREES
gear_materialSTEEL
overall_length10.750 INCHES NOMINAL IN
shaft_end_size1.500 INCHES IN
shaft_end_typeSPLINED STRAIGHT AND SPLINED INVOLUTE, INTERNAL
shaft_materialSTEEL
teeth_quantity22
tooth_directionLEFT
gear_outside_diameter3.460 INCHES NOMINAL IN
gear_location_on_shaftOFF CENTER BETWEEN ENDS OF SHAFT
longer_shaft_segment_length9.125 INCHES NOMINAL IN
NSN3110-00-516-5289
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 303566 · 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
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
SUBSTITUTES & CROSS-REFERENCES 9
416821-66DReference document
Same NSN cross-reference
Reference document — Design control — primary reference
903203Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS1937-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
602054Reference document
Same NSN cross-reference
Reference document — Secondary reference
9044303Reference document
Same NSN cross-reference
Reference document — Secondary reference
18D778Reference 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 303566?
303566 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 303566?
There are 9 known substitutes for 303566: 416821-66D, 903203, AS1937-6 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303566?
303566 is cataloged in the U.S. Government catalog under NSN 3110-00-516-5289. 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.