PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MUA3/4Bearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-108-6582 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-108-6582 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-108-6582. Primary manufacturer part number: MUA3/4.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.7500 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
  • Inner Ring Width: 1.3430 INCHES NOMINAL IN
  • Overall Outside Diameter: 1.8499 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN
  • Material: STEEL BALL
  • Material: STEEL INNER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OUTER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-108-6582, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-108-6582
Primary Part NumberMUA3/4
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Bore Diameter0.7500 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
Inner Ring Width1.3430 INCHES NOMINAL IN
Overall Outside Diameter1.8499 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
Outer Ring Width14.0 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6220-00-299-5646 INTERCHANGEABLE
Light,marker,clearance
6130-00-499-7010163A INTERCHANGEABLE
Power Supply
Eldec Aerospace Corp
2520-00-692-569416D7181 INTERCHANGEABLE
Gear,sliding
Napco International Llc Dba Napco International Inc
5330-00-753-8871 INTERCHANGEABLE
Gasket and Seal Set
6220-00-784-5783 INTERCHANGEABLE
Light,marker,clearance
5962-01-045-8205861540-0018 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-01-045-8206861540-0019 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-01-045-8207861540-0020 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-01-045-8208861540-0021 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-01-045-8209861540-0022 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
RMU3/4 Timken Co Div the Timken Company (USA)
SM1012MUA3/4 Timken Co Div the Timken Company (USA)
RM3-4 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MUA3/4 PRIMARY Timken Co Div the Timken Company (USA)
163A Fairbanks Morse, Llc (USA)
914059 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
163A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
RM3-4 Fairbanks Morse, Llc (USA)
914059 Aqua-Chem Inc Cleaver-Brooks Div (USA)
3-4MUAFAFN Naval Ship Systems Command (USA)
Related Parts
6220-00-299-5646INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
6130-00-499-7010INTERCHANGEABLE
POWER SUPPLY
163A
2520-00-692-5694INTERCHANGEABLE
GEAR,SLIDING
16D7181
5330-00-753-8871INTERCHANGEABLE
GASKET AND SEAL SET
6220-00-784-5783INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
5962-01-045-8205INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0018
5962-01-045-8206INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0019
5962-01-045-8207INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0020
5962-01-045-8208INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0021
5962-01-045-8209INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0022
5962-01-045-8211INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0024
5962-01-045-8212INTERCHANGEABLE
MICROCIRCUIT,MEMORY
861540-0025

Frequently Asked Questions

What is NSN 3110-00-108-6582?

NSN 3110-00-108-6582 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-108-6582?

NSN 3110-00-108-6582 has 10 cross-referenced part numbers: RMU3/4 (Timken Co Div the Timken Company), SM1012MUA3/4 (Timken Co Div the Timken Company), RM3-4 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), MUA3/4 (Timken Co Div the Timken Company), 163A (Fairbanks Morse, Llc) and 5 more.

What NSN replaces 3110-00-108-6582?

There are 12 known substitutes for 3110-00-108-6582: 6220-00-299-5646, 6130-00-499-7010, 2520-00-692-5694 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MUA3/4?

Key specifications for MUA3/4: Bore Diameter: 0.7500 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN; Inner Ring Width: 1.3430 INCHES NOMINAL IN; Overall Outside Diameter: 1.8499 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN; Material: STEEL BALL. 13 total characteristics are documented in the Federal Logistics Information System.

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