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Technical Data Sheet
PartsTable / COMPONENT / 1-4307
1-4307 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include height: 3.062 INCHES NOMINAL IN, diameter: 3.750 INCHES NOMINAL IN, material: STEEL OVERALL, overall_width: 1.1250 INCHES NOMINAL IN, mounting_method: SNAP SPRING, electrode_design: SINGLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0603, 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
1-4307
NSN: 3110-00-100-0603
FSC: 3110
CAGE: 42138 — HARBORMASTER MARINE, INC (USA)
SPECIFICATIONS
height3.062 INCHES NOMINAL IN
diameter3.750 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_width1.1250 INCHES NOMINAL IN
mounting_methodSNAP SPRING
electrode_designSINGLE
outside_diameter4.1250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
construction_typeONE-PIECE
application_designDISTRIBUTOR
cover_accommodationNOT INCLUDED
backface_corner_radius0.1250 INCHES NOMINAL IN
NSN3110-00-100-0603
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-4307 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH1.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
149546Interchangeable
interchangeable cross-reference
interchangeable
A4251-1Interchangeable
interchangeable cross-reference
interchangeable
59-412Interchangeable
interchangeable cross-reference
interchangeable
7RA12106Interchangeable
interchangeable cross-reference
interchangeable
103529Interchangeable
interchangeable cross-reference
interchangeable
14307Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-4307?
1-4307 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 1-4307?
There are 17 known substitutes for 1-4307: 149546, A4251-1, 59-412 and 14 more. Substitute compatibility should be verified for your specific system.
Is 1-4307 still available?
1-4307 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026