PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10108531Ring,bearing,inner

Us Army Aviation and Missile Command · NSN 3110-00-227-3302 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-3302 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-3302. Primary manufacturer part number: 10108531.
Features
  • Ring,bearing,inner — FSC 3110
  • Bore Shape: STRAIGHT
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
  • Surface Finish: GROUND
  • Overall Outside Diameter: 0.5625 INCHES NOMINAL IN
  • Bore Diameter: 0.3750 INCHES NOMINAL IN
  • Style Designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
  • Material: STEEL OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Ring,bearing,inner, cataloged under National Stock Number 3110-00-227-3302, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-3302
Primary Part Number10108531
Item NameRing,bearing,inner
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Surface FinishGROUND
Overall Outside Diameter0.5625 INCHES NOMINAL IN
Bore Diameter0.3750 INCHES NOMINAL IN
Style DesignatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-114-8345W27F12-2 INTERCHANGEABLE
Coupling Half,quick Disconnect
Transdigm Inc Div Adelwiggins Group
Cross-Reference Index
Part NumberManufacturer
IR68 Timken Aerospace, Inc Dba Torrington Product (USA)
10108531 PRIMARY Us Army Aviation and Missile Command (USA)
IR-68-L Timken Aerospace, Inc Dba Torrington Product (USA)
Related Parts
4730-01-114-8345INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
W27F12-2

Frequently Asked Questions

What is NSN 3110-00-227-3302?

NSN 3110-00-227-3302 is a Ring,bearing,inner, manufactured by Us Army Aviation and Missile Command, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-227-3302?

NSN 3110-00-227-3302 has 3 cross-referenced part numbers: IR68 (Timken Aerospace, Inc Dba Torrington Product), 10108531 (Us Army Aviation and Missile Command), IR-68-L (Timken Aerospace, Inc Dba Torrington Product).

What NSN replaces 3110-00-227-3302?

There is 1 known substitute for 3110-00-227-3302: 4730-01-114-8345. Verify interchangeability with system specifications before substitution.

What are the specifications of 10108531?

Key specifications for 10108531: Bore Shape: STRAIGHT; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS; Surface Finish: GROUND; Overall Outside Diameter: 0.5625 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com