PartsTable
Technical Data Sheet
PartsTable / MRO / 310M
310M ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CAPACITOR,VARIABLE,MICA DIELECTR. Key specifications include material: STEEL OVERALL, body_style: COMPRESSION, body_width: 0.891 INCHES NOMINAL IN, bore_shape: STRAIGHT, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_height: 0.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-540-4656, 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
MRO→ MRO_GENERAL→ 310M
NSN: 3110-00-540-4656
FSC: 3110
CAGE: 81965 — TRW INC BEARINGS DIV PLAINVILLE PLANT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleCOMPRESSION
body_width0.891 INCHES NOMINAL IN
bore_shapeSTRAIGHT
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_height0.875 INCHES NOMINAL IN
body_length0.938 INCHES NOMINAL IN
shaft_length0.062 INCHES NOMINAL SINGLE SHAFT IN
usage_designWHOLE BLOOD GLUCOSE, HEMOGLOBIN AND HEMATOCRIT CONTROL, SOLUTION; FOR USE WITH END ITEM 6630-01-411-2405, ANALYZER, CLINICAL CHEMISTRY, P/N 6F1602
bore_diameter50.00 MILLIMETERS NOMINAL MM
bushing_shapeROUND
overall_width27.0 MILLIMETERS NOMINAL MM
NSN3110-00-540-4656
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 310M · 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
•
SURFACE FINISH: GROUND
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 110.00 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 50.00 MILLIMETERS NOMINAL MM
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER110.00 MILLIMETERS NOMINAL MM
BORE DIAMETER50.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
34051Interchangeable
interchangeable cross-reference
interchangeable
M3-10Interchangeable
interchangeable cross-reference
interchangeable
7450870Interchangeable
interchangeable cross-reference
interchangeable
191038Interchangeable
interchangeable cross-reference
interchangeable
430-6Interchangeable
interchangeable cross-reference
interchangeable
820A113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 310M?
310M is a CAPACITOR,VARIABLE,MICA DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 310M?
There are 33 known substitutes for 310M: 34051, M3-10, 7450870 and 30 more. Substitute compatibility should be verified for your specific system.
Is 310M still available?
310M 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