PartsTable
Technical Data Sheet
A-4038 ✓ 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

The BOX CONNECTOR,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, design_type: SPUR SECOND GEAR, construction: SOLID, surface_treatment: PASSIVATE OVERALL, hub_nominal_length: 0.359 INCHES SECOND END IN, hub_nominal_diameter: 0.089 INCHES BETWEEN FIRST AND SECOND GEAR IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6216, 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
A-4038
NSN: 3110-00-100-6216
FSC: 3110
CAGE: 55469 — ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
design_typeSPUR SECOND GEAR
constructionSOLID
surface_treatmentPASSIVATE OVERALL
hub_nominal_length0.359 INCHES SECOND END IN
hub_nominal_diameter0.089 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_style_designatorPLAIN BETWEEN FIRST AND SECOND GEAR
nominal_overall_length0.800 INCHES IN
nominal_outside_diameter0.1710 INCHES SECOND GEAR IN
material_document_and_classificationQQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-100-6216
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-4038 · 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
ROLLING ELEMENT DIAMETER: 0.3750 INCHES NOMINAL IN
STYLE DESIGNATOR: BALL
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMETALLIC HARDNESS RATING ROCKWELL C MIN 50.0 IN. AND MAX 58.0 IN. IN
ROLLING ELEMENT DIAMETER0.3750 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
3X324-3-4Interchangeable
interchangeable cross-reference
interchangeable
215943Interchangeable
interchangeable cross-reference
interchangeable
21511Interchangeable
interchangeable cross-reference
interchangeable
200340Interchangeable
interchangeable cross-reference
interchangeable
MJH3-001-60Interchangeable
interchangeable cross-reference
interchangeable
AAE975M703Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-4038?
A-4038 is a BOX CONNECTOR,ELECTRICAL.
What parts can replace A-4038?
There are 26 known substitutes for A-4038: 3X324-3-4, 215943, 21511 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-4038?
A-4038 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6216. This indicates validated use in U.S. government and defense supply chains.
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