PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS81820Bearing,plain,self-Aligning

Society of Automotive Engineers Inc · NSN 3120-01-084-9242 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-084-9242 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-084-9242. Primary manufacturer part number: AS81820.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
  • Inner Member Width: 0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
  • Material: PLASTIC RACE LINER
  • Outer Member Width: 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
  • Static Radial Load Rating: 21400 POUNDS LBS
  • Material: STEEL INNER MEMBER
  • Outer Member Outside Diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Race Liner construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-084-9242, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-01-084-9242
Primary Part NumberAS81820
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Hardness Rating23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
Inner Member Width0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
MaterialPLASTIC RACE LINER
Outer Member Width0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
Static Radial Load Rating21400 POUNDS LBS
MaterialSTEEL INNER MEMBER
Outer Member Outside Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Hardness Rating55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
Bore Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
MaterialSTEEL OUTER RACE MEMBER
Style DesignatorWITH INSERT AND/OR LINER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-455-7011 INTERCHANGEABLE
Bearing,plain,self-Aligning
3120-01-015-6923MS14102-4 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-015-6924MS14102-7 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-041-6462MS14102-6 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-054-4693MS14102-5 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-083-3268MS14102-12 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-084-4834 INTERCHANGEABLE
Bearing,plain,self-Aligning
3120-01-129-6979 INTERCHANGEABLE
Bearing,plain,self-Aligning
3120-01-148-7582MS14102-9 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-153-9601MS14102-16 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS81820 Society of Automotive Engineers Inc (USA)
BSH16ATC32ZM Timken Co Div the Timken Company (USA)
MS21231-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS14102-8 Tam Aviacao Executiva E Taxi Aereo S/a (BRA)
MS14102-8 Society of Automotive Engineers Inc (USA)
AS81820/1 Society of Automotive Engineers Inc (USA)
AS14102 Society of Automotive Engineers Inc (USA)
MS14102-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
KR8-CWB Kamatics Corporation (USA)
Related Parts
3120-00-455-7011INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
3120-01-015-6923INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-4
3120-01-015-6924INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-7
3120-01-041-6462INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-6
3120-01-054-4693INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-5
3120-01-083-3268INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-12
3120-01-084-4834INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
3120-01-129-6979INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
3120-01-148-7582INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-9
3120-01-153-9601INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-16
3120-01-177-3039INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
AS14102
3120-01-536-1433INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
AWC-8T

Frequently Asked Questions

What is NSN 3120-01-084-9242?

NSN 3120-01-084-9242 is a Bearing,plain,self-Aligning, manufactured by Society of Automotive Engineers Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-01-084-9242?

NSN 3120-01-084-9242 has 9 cross-referenced part numbers: AS81820 (Society of Automotive Engineers Inc), BSH16ATC32ZM (Timken Co Div the Timken Company), MS21231-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS14102-8 (Tam Aviacao Executiva E Taxi Aereo S/a), MS14102-8 (Society of Automotive Engineers Inc) and 4 more.

What NSN replaces 3120-01-084-9242?

There are 12 known substitutes for 3120-01-084-9242: 3120-00-455-7011, 3120-01-015-6923, 3120-01-015-6924 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS81820?

Key specifications for AS81820: Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER; Inner Member Width: 0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Material: PLASTIC RACE LINER; Outer Member Width: 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-01-084-9242 still in active supply?

NSN 3120-01-084-9242 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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