PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S610BM3LY231Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-00-679-8917 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-679-8917 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-679-8917. Primary manufacturer part number: S610BM3LY231.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.3750 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.5
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Phenolic Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-679-8917, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-679-8917
Primary Part NumberS610BM3LY231
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusCANCELLED
Bore Diameter0.3750 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.5
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Internal Clearance0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Bore ShapeSTRAIGHT
Lubrication MaterialOIL
Retainer Fabrication MethodMACHINED
MaterialPLASTIC PHENOLIC RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter0.6250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OUTER RING
MaterialSTEEL CORROSION RESISTING INNER RING
MaterialSTEEL CORROSION RESISTING BALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5930-00-240-416940A53422 INTERCHANGEABLE
Switch,slide
General Dynamics Mission Systems, Inc. Dba Gdms
6110-01-415-0585M-60-120 INTERCHANGEABLE
Starter,motor
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Cross-Reference Index
Part NumberManufacturer
S610BM3LY231 Mpb Corp Div Timken Super Precision (USA)
3TCR6-10U Mpb Corporation Dba Mpb Corp (USA)
3TCNR6-10U Mpb Corporation Dba Mpb Corp (USA)
10228503724 Elbitamerica, Inc. (USA)
3TCNR6-10A122 Mpb Corp Div Timken Super Precision (USA)
24896 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
M81793-BXXXAX0SAE51AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3TCNR6-10ULY70 Mpb Corporation Dba Mpb Corp (USA)
2553126-1 Honeywell International Inc. Dba Honeywell International (USA)
755394 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
S610BM5P38L02 Mpb Corp Div Timken Super Precision (USA)
4134601-A1C1T Whippany Actuation Systems, Llc (USA)
Related Parts
5930-00-240-4169INTERCHANGEABLE
SWITCH,SLIDE
40A53422
6110-01-415-0585INTERCHANGEABLE
STARTER,MOTOR
M-60-120

Frequently Asked Questions

What is NSN 3110-00-679-8917?

NSN 3110-00-679-8917 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-679-8917?

NSN 3110-00-679-8917 has 12 cross-referenced part numbers: S610BM3LY231 (Mpb Corp Div Timken Super Precision), 3TCR6-10U (Mpb Corporation Dba Mpb Corp), 3TCNR6-10U (Mpb Corporation Dba Mpb Corp), 10228503724 (Elbitamerica, Inc.), 3TCNR6-10A122 (Mpb Corp Div Timken Super Precision) and 7 more.

What NSN replaces 3110-00-679-8917?

There are 2 known substitutes for 3110-00-679-8917: 5930-00-240-4169, 6110-01-415-0585. Verify interchangeability with system specifications before substitution.

What are the specifications of S610BM3LY231?

Key specifications for S610BM3LY231: Bore Diameter: 0.3750 INCHES NOMINAL IN; Standard Tolerance Designation: ABEC NO.5; Load Direction: RADIAL; Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-679-8917 still in active supply?

NSN 3110-00-679-8917 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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