PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21233-3Bearing,plain,self-Aligning

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 3120-00-462-1714 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-462-1714 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-462-1714. Primary manufacturer part number: MS21233-3.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Outer Member Width: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN
  • Bore Diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
  • Hardness Rating: 55.0 ROCKWELL C MINIMUM INNER MEMBER
  • Style Designator: WITH INSERT AND/OR LINER
  • Material: STEEL COMP 440C INNER MEMBER
  • Outer Member Outside Diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Inner Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-462-1714, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-462-1714
Primary Part NumberMS21233-3
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Outer Member Width0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN
Bore Diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
Hardness Rating23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
Hardness Rating55.0 ROCKWELL C MINIMUM INNER MEMBER
Style DesignatorWITH INSERT AND/OR LINER
MaterialSTEEL COMP 440C INNER MEMBER
Outer Member Outside Diameter0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
Static Radial Load Rating3975 POUNDS LBS
Inner Member Width0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MaterialSTEEL CORROSION RESISTING OUTER RACE MEMBER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3120-01-041-7129MS14104-3 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS21233-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3120-01-041-7129INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-3

Frequently Asked Questions

What is NSN 3120-00-462-1714?

NSN 3120-00-462-1714 is a Bearing,plain,self-Aligning, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-462-1714?

NSN 3120-00-462-1714 has 1 cross-referenced part number: MS21233-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-462-1714?

There is 1 known substitute for 3120-00-462-1714: 3120-01-041-7129. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21233-3?

Key specifications for MS21233-3: Outer Member Width: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN; Bore Diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN; Hardness Rating: 23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER; Hardness Rating: 55.0 ROCKWELL C MINIMUM INNER MEMBER. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-462-1714 still in active supply?

NSN 3120-00-462-1714 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.
PartsTable Design LLC · partstable.com