PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS10Bearing,plain,self-Aligning

Roller Bearing Company of America, Inc. · NSN 3120-00-662-1975 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-1975 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-1975. Primary manufacturer part number: LS10.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Lubrication Feature: PERFORATION OUTER RACE MEMBER
  • Outer Member Width: 0.6845 INCHES NOMINAL IN
  • Style Designator: WITH INSERT AND/OR LINER
  • Surface Treatment: CADMIUM OUTER RACE MEMBER
  • Material: STEEL OUTER RACE MEMBER
  • Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER
  • Lubrication Feature: GROOVE INTERNAL OUTER MEMBER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Race Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-662-1975, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-662-1975
Primary Part NumberLS10
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Company of America, Inc.
StatusCANCELLED
Lubrication FeaturePERFORATION OUTER RACE MEMBER
Outer Member Width0.6845 INCHES NOMINAL IN
Style DesignatorWITH INSERT AND/OR LINER
Surface TreatmentCADMIUM OUTER RACE MEMBER
MaterialSTEEL OUTER RACE MEMBER
Lubrication FeatureGROOVE EXTERNAL OUTER MEMBER
Lubrication FeatureGROOVE INTERNAL OUTER MEMBER
Bore Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Inner Member Width0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
MaterialSTEEL COMP E52100 INNER MEMBER
MaterialCOPPER ALLOY RACE INSERT
Hardness Rating60.0 ROCKWELL C NOMINAL INNER MEMBER
Outer Member Outside Diameter1.5620 INCHES MINIMUM AND 1.5625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-155-8888136539-7 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5965-00-194-9875LS10 INTERCHANGEABLE
Loudspeaker,permanent Magnet
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6650-01-366-1617 INTERCHANGEABLE
Eyepiece Assembly,optical Instru
5835-01-572-1284LS-10 INTERCHANGEABLE
Recorder Set,sound
Olympus Media Llc
Cross-Reference Index
Part NumberManufacturer
LS10ANG25 Roller Bearing Company of America, Inc. (USA)
LS10 PRIMARY Roller Bearing Company of America, Inc. (USA)
Related Parts
3110-00-155-8888INTERCHANGEABLE
BEARING,BALL,ANNULAR
136539-7
5965-00-194-9875INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
LS10
6650-01-366-1617INTERCHANGEABLE
EYEPIECE ASSEMBLY,OPTICAL INSTRU
5835-01-572-1284INTERCHANGEABLE
RECORDER SET,SOUND
LS-10

Frequently Asked Questions

What is NSN 3120-00-662-1975?

NSN 3120-00-662-1975 is a Bearing,plain,self-Aligning, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-662-1975?

NSN 3120-00-662-1975 has 2 cross-referenced part numbers: LS10ANG25 (Roller Bearing Company of America, Inc.), LS10 (Roller Bearing Company of America, Inc.).

What NSN replaces 3120-00-662-1975?

There are 4 known substitutes for 3120-00-662-1975: 3110-00-155-8888, 5965-00-194-9875, 6650-01-366-1617 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS10?

Key specifications for LS10: Lubrication Feature: PERFORATION OUTER RACE MEMBER; Outer Member Width: 0.6845 INCHES NOMINAL IN; Style Designator: WITH INSERT AND/OR LINER; Surface Treatment: CADMIUM OUTER RACE MEMBER. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-662-1975 still in active supply?

NSN 3120-00-662-1975 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