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Technical Data Sheet
PartsTable / COMPONENT / C365-6
C365-6 ✓ 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

MODIFICATION KIT,FIRE CONTROL EQ. Key specifications include material: STEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 CONE, cup_width: 1.1875 INCHES NOMINAL IN, unit_type: COAXIAL LINE, cone_width: 1.4300 INCHES NOMINAL IN, design_type: UNIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4221, 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
C365-6
NSN: 3110-00-100-4221
FSC: 3110
CAGE: 63952 — EDERER INC STAR CRANES DIV (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 CONE
cup_width1.1875 INCHES NOMINAL IN
unit_typeCOAXIAL LINE
cone_width1.4300 INCHES NOMINAL IN
design_typeUNIDIRECTIONAL
usage_designMAIN LINE TERMINAL FITTING
bore_diameter3.7500 INCHES NOMINAL IN
overall_width2.150 INCHES NOMINAL IN
overall_height1.060 INCHES NOMINAL IN
overall_length7.100 INCHES MAXIMUM IN
standout_width0.3750 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
NSN3110-00-100-4221
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: C365-6 · 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
•
CUP WIDTH: 1.1875 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 6.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 ROLLER
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
STANDOUT WIDTH: 0.3750 INCHES NOMINAL IN
•
CONE WIDTH: 1.4300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CUP WIDTH1.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.0000 INCHES NOMINAL IN
OVERALL WIDTH1.5625 INCHES NOMINAL IN
MATERIALSTEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 ROLLER
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDOUT WIDTH0.3750 INCHES NOMINAL IN
CONE WIDTH1.4300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
21-421Interchangeable
interchangeable cross-reference
interchangeable
4FD0138Interchangeable
interchangeable cross-reference
interchangeable
4251668Interchangeable
interchangeable cross-reference
interchangeable
D72828Interchangeable
interchangeable cross-reference
interchangeable
952494-1Interchangeable
interchangeable cross-reference
interchangeable
C365-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C365-6?
C365-6 is a MODIFICATION KIT,FIRE CONTROL EQ.
What parts can replace C365-6?
There are 26 known substitutes for C365-6: 21-421, 4FD0138, 4251668 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C365-6?
C365-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4221. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026