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Technical Data Sheet
PartsTable / COMPONENT / S390
S390 ✓ 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

PARTS KIT,HYDRAULIC BRAKE MASTER. Key specifications include diameter: 0.194 INCHES MINIMUM AND 0.009 INCHES MAXIMUM IN, material: STEEL COMP 302 OR STEEL COMP 321 BAND, loop_width: 0.180 INCHES NOMINAL IN, overall_width: 0.500 INCHES NOMINAL IN, style_designator: MULTIPLE LOOP, tongue_hole_type: ROUND, THREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-293-9302, 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
S390
NSN: 3110-00-293-9302
FSC: 3110
CAGE: 25567 — THE GORMAN-RUPP COMPANY DIV GORMAN-RUPP (USA)
SPECIFICATIONS
diameter0.194 INCHES MINIMUM AND 0.009 INCHES MAXIMUM IN
materialSTEEL COMP 302 OR STEEL COMP 321 BAND
loop_width0.180 INCHES NOMINAL IN
overall_width0.500 INCHES NOMINAL IN
style_designatorMULTIPLE LOOP
tongue_hole_typeROUND, THREADED
material_thickness0.050 INCHES NOMINAL IN
NSN3110-00-293-9302
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S390 · 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
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LOAD DIRECTION: RADIAL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL (LSV)
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
2974Interchangeable
interchangeable cross-reference
interchangeable
6207Interchangeable
interchangeable cross-reference
interchangeable
885C896P2Interchangeable
interchangeable cross-reference
interchangeable
JMC6525Interchangeable
interchangeable cross-reference
interchangeable
6525Interchangeable
interchangeable cross-reference
interchangeable
L501FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S390?
S390 is a PARTS KIT,HYDRAULIC BRAKE MASTER.
What parts can replace S390?
There are 27 known substitutes for S390: 2974, 6207, 885C896P2 and 24 more. Substitute compatibility should be verified for your specific system.
Is S390 still available?
S390 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