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F343 — CLUTCH,POSITIVE,NONVEHICULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

F343: CLUTCH,POSITIVE,NONVEHICULAR.

The CLUTCH,POSITIVE,NONVEHICULAR is a the manufacturer industrial component. Key specifications include overall_length: 2.0000 INCHES NOMINAL IN, special_features: STEEL,MAGNETIC PARTICLE,24 VOLT,3.844 INCH O/A LG,1.750 INCH OD. IN, overall_outside_diameter: 1.7500 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: CLUTCH,POSITIVE.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-112-6425, 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
F343
NSN: 3110-00-112-6425
NIINs: 001126425, 011054052
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 13125 — CLEVELAND TRENCHER CO INC (USA)
SPECIFICATIONS
overall_length2.0000 INCHES NOMINAL IN
special_featuresSTEEL,MAGNETIC PARTICLE,24 VOLT,3.844 INCH O/A LG,1.750 INCH OD. IN
overall_outside_diameter1.7500 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCLUTCH,POSITIVE
NSN3110-00-112-6425
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: F343 · 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
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
SUBSTITUTES & CROSS-REFERENCES 7
5949FReference document
Same NSN cross-reference
Reference document — Secondary reference
4532Reference document
Same NSN cross-reference
Reference document — Secondary reference
141873Reference document
Same NSN cross-reference
Reference document — Secondary reference
94732Reference document
Same NSN cross-reference
Reference document — Secondary reference
608168Reference document
Same NSN cross-reference
Reference document — Secondary reference
RA179Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F343?
F343 is a CLUTCH,POSITIVE,NONVEHICULAR.
What parts can replace F343?
There are 7 known substitutes for F343: 5949F, 4532, 141873 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F343?
F343 is cataloged in the U.S. Government catalog under NSN 3110-00-112-6425. 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.