PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS81820Bearing,plain,self-Aligning

Society of Automotive Engineers Inc · NSN 3120-01-129-6979 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-129-6979 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-129-6979. Primary manufacturer part number: AS81820.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Outer Member Outside Diameter: 1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
  • Inner Member Width: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
  • Outer Member Width: 0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
  • Static Radial Load Rating: 65200 POUNDS LBS
  • Bore Diameter: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: Society of Automotive Engineers Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-129-6979, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN3120-01-129-6979
Primary Part NumberAS81820
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Outer Member Outside Diameter1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
Inner Member Width0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Outer Member Width0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
Static Radial Load Rating65200 POUNDS LBS
Bore Diameter0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
3120-01-084-9242 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
3120-01-177-3039AS14102 INTERCHANGEABLE
Bearing,plain,self-Aligning
Timken Aurora Bearing Company
Cross-Reference Index
Part NumberManufacturer
AS81820 Society of Automotive Engineers Inc (USA)
10107858 Nimikkeistokeskus Ncb Finland (FIN)
KR14-CWB Kamatics Corporation (USA)
MS14102-14 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS14102 Society of Automotive Engineers Inc (USA)
AS81820/1 Society of Automotive Engineers Inc (USA)
MS14102-14 Society of Automotive Engineers Inc (USA)
Related Parts
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
3120-01-084-9242INTERCHANGEABLE
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
3120-01-687-2802INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14102-14

Frequently Asked Questions

What is NSN 3120-01-129-6979?

NSN 3120-01-129-6979 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 3120-01-129-6979?

NSN 3120-01-129-6979 has 7 cross-referenced part numbers: AS81820 (Society of Automotive Engineers Inc), 10107858 (Nimikkeistokeskus Ncb Finland), KR14-CWB (Kamatics Corporation), MS14102-14 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS14102 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 3120-01-129-6979?

There are 12 known substitutes for 3120-01-129-6979: 3120-01-015-6923, 3120-01-015-6924, 3120-01-041-6462 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS81820?

Key specifications for AS81820: Special Features: PASSIVATION OPTIONAL; Outer Member Outside Diameter: 1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN; Inner Member Width: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN; Outer Member Width: 0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-01-129-6979 still in active supply?

NSN 3120-01-129-6979 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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