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389-2343 — SHAFT AND BEARING ASSEMBLY,GEARB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

389-2343: SHAFT AND BEARING ASSEMBLY,GEARB.

SHAFT AND BEARING ASSEMBLY,GEARB. Key specifications include component_quantity: 11. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-859-5062, 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
389-2343
NSN: 2805-00-859-5062
NIINs: 008595062, 012306669
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
component_quantity11
NSN2805-00-859-5062
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT AND BEARING ASSEMBLY,GEARB TITLE COMPONENT PN 389-2343 MFR SHAFT AND BEARING ASSE
KEY FEATURES
•
FSC APPLICATION DATA: GASOLINE ENGINE,NONAIRCRAFT
•
RING SET COMPONENT PARTS: COMPRESSION RING,3892396,11862,6; COMPRESSION RING,3874918,11862,6; OIL RING,3939008,11862,6; OIL RING,3743050,11862,12
•
PISTON ACCOMMODATION QUANTITY: 6
•
STANDARD BORE DIAMETER: 3.875 INCHES IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAGASOLINE ENGINE,NONAIRCRAFT
RING SET COMPONENT PARTSCOMPRESSION RING,3892396,11862,6; COMPRESSION RING,3874918,11862,6; OIL RING,3939008,11862,6; OIL RING,3743050,11862,12
PISTON ACCOMMODATION QUANTITY6
STANDARD BORE DIAMETER3.875 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
177558Reference document
Same NSN cross-reference
Reference document — Secondary reference
244906Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 389-2343?
389-2343 is a SHAFT AND BEARING ASSEMBLY,GEARB.
What parts can replace 389-2343?
There are 2 known substitutes for 389-2343: 177558, 244906. Substitute compatibility should be verified for your specific system.
What is the NSN for 389-2343?
389-2343 is cataloged in the U.S. Government catalog under NSN 2805-00-859-5062. 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.