PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FB68-10Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-00-051-7194 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-051-7194 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-051-7194. Primary manufacturer part number: FB68-10.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material: OIL LUBRICATING LUBRICATION
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-051-7194, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-051-7194
Primary Part NumberFB68-10
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE INSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data1 TYPE OR A COMPOSITION
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Flange Outside Diameter0.6850 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN
Flange Width0.0930 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Outside Diameter0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
Body Inside Diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-116-3840050-002141 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5935-00-402-7140213091-4 INTERCHANGEABLE
Socket,electrical
Te Connectivity Corporation
5910-00-543-0833 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
6220-01-417-3324502141 INTERCHANGEABLE
Panel,indicating,light Transmitt
Airco Industries, Inc. Dba Photo Etch Div Photo Etch
Cross-Reference Index
Part NumberManufacturer
502141 Cardion Inc (USA)
502141 Aimtron Systems, Llc (USA)
FB68-10 PRIMARY Altra Industrial Motion Corp. (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-00-116-3840INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
050-002141
5935-00-402-7140INTERCHANGEABLE
SOCKET,ELECTRICAL
213091-4
5910-00-543-0833INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
6220-01-417-3324INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
502141

Frequently Asked Questions

What is NSN 3120-00-051-7194?

NSN 3120-00-051-7194 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-051-7194?

NSN 3120-00-051-7194 has 4 cross-referenced part numbers: 502141 (Cardion Inc), 502141 (Aimtron Systems, Llc), FB68-10 (Altra Industrial Motion Corp.), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-051-7194?

There are 4 known substitutes for 3120-00-051-7194: 5950-00-116-3840, 5935-00-402-7140, 5910-00-543-0833 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FB68-10?

Key specifications for FB68-10: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER; Material: OIL LUBRICATING LUBRICATION. 16 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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