PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2D3-03268 ITEM 142Bearing,sleeve

Lake Shore Systems, Inc. · NSN 3120-01-374-7066 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-374-7066 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-374-7066. Primary manufacturer part number: 2D3-03268 ITEM 142.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY 841 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.2540 INCHES NOMINAL IN
  • Body Inside Diameter: 1.0030 INCHES NOMINAL IN
  • 6 verified cross-references
  • Primary manufacturer: Lake Shore Systems, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 841 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-374-7066, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-374-7066
Primary Part Number2D3-03268 ITEM 142
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
MaterialCOPPER ALLOY 841 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.2540 INCHES NOMINAL IN
Body Inside Diameter1.0030 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-056-9792 INTERCHANGEABLE
Bearing,sleeve
3120-00-287-6899 INTERCHANGEABLE
Bearing,sleeve
3120-00-590-7991 INTERCHANGEABLE
Bearing,washer,thrust
Cross-Reference Index
Part NumberManufacturer
2D3-03268 ITEM 142 Lake Shore Systems, Inc. (USA)
ASTM B438-08 American Society for Testing and Materials Dba Astm International (USA)
MS17795 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS17795-146 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
EP162036 Bunting Bearings Corp (USA)
P102-18 Bunting Bearings Corp (USA)
Related Parts
3120-00-056-9792INTERCHANGEABLE
BEARING,SLEEVE
3120-00-287-6899INTERCHANGEABLE
BEARING,SLEEVE
3120-00-590-7991INTERCHANGEABLE
BEARING,WASHER,THRUST

Frequently Asked Questions

What is NSN 3120-01-374-7066?

NSN 3120-01-374-7066 is a Bearing,sleeve, manufactured by Lake Shore Systems, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-374-7066?

NSN 3120-01-374-7066 has 6 cross-referenced part numbers: 2D3-03268 ITEM 142 (Lake Shore Systems, Inc.), ASTM B438-08 (American Society for Testing and Materials Dba Astm International), MS17795 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS17795-146 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), EP162036 (Bunting Bearings Corp) and 1 more.

What NSN replaces 3120-01-374-7066?

There are 3 known substitutes for 3120-01-374-7066: 3120-00-056-9792, 3120-00-287-6899, 3120-00-590-7991. Verify interchangeability with system specifications before substitution.

What are the specifications of 2D3-03268 ITEM 142?

Key specifications for 2D3-03268 ITEM 142: Overall Length: 2.2500 INCHES NOMINAL IN; Material: COPPER ALLOY 841 OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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