PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

107840Bearing Half,sleeve

Cummins Inc. · NSN 3120-00-831-4194 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-831-4194 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-831-4194. Primary manufacturer part number: 107840.
Features
  • Bearing Half,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Material: COPPER ALLOY INNER LAYER
  • Left Flange Outside Diameter: 6.3720 INCHES MINIMUM AND 6.3780 INCHES MAXIMUM IN
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: CHAMFERED LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE RIGHT FLANGE BODY CORNER
  • Material: OIL LUBRICATING LUBRICATION
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Inner Layer construction
General Description

The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-831-4194, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-831-4194
Primary Part Number107840
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Corner ShapeSQUARE OUTSIDE LEFT CORNER
MaterialCOPPER ALLOY INNER LAYER
Left Flange Outside Diameter6.3720 INCHES MINIMUM AND 6.3780 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeCHAMFERED LEFT FLANGE BODY CORNER
Corner ShapeSQUARE RIGHT FLANGE BODY CORNER
MaterialOIL LUBRICATING LUBRICATION
Material Document and ClassificationUNABLE TO DECODE
Surface TreatmentLEAD OVERALL
Style DesignatorHALF SLEEVE, EXTERNAL FLANGES BOTH ENDS
Right Flange Outside Diameter6.3720 INCHES MINIMUM AND 6.3780 INCHES MAXIMUM IN
Right Flange Width0.2812 INCHES NOMINAL IN
Left Flange Width0.2812 INCHES NOMINAL IN
Body Outside Diameter6.0000 INCHES NOMINAL IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Body Inside Diameter5.5000 INCHES NOMINAL IN
Corner ShapeSQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
MaterialSTEEL COMP 1010 OUTER LAYER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Material Document and ClassificationUNABLE TO DECODE
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4820-01-058-0935N42675 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5962-01-088-984042675 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
8520-01-370-4284R/1212C14.55PD INTERCHANGEABLE
Hand Cleaner
Coretex Products
5120-01-429-642500942675000 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5340-01-585-3897107840 INTERCHANGEABLE
Cover,protective,dust and Moistu
Astronautics Corporation of America
2510-01-665-765679-247-C10000 INTERCHANGEABLE
Window,vehicular
Oran Safety Glass Inc Dba Oran Safety Glass Inc
Cross-Reference Index
Part NumberManufacturer
107840 PRIMARY Cummins Inc. (USA)
L42675 Cummins Inc. (USA)
42675 Cummins Inc. (USA)
Related Parts
4820-01-058-0935INTERCHANGEABLE
CAP,VALVE
N42675
5962-01-088-9840INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42675
8520-01-370-4284INTERCHANGEABLE
HAND CLEANER
R/1212C14.55PD
5120-01-429-6425INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
00942675000
5340-01-585-3897INTERCHANGEABLE
COVER,PROTECTIVE,DUST AND MOISTU
107840
2510-01-665-7656INTERCHANGEABLE
WINDOW,VEHICULAR
79-247-C10000

Frequently Asked Questions

What is NSN 3120-00-831-4194?

NSN 3120-00-831-4194 is a Bearing Half,sleeve, manufactured by Cummins Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-831-4194?

NSN 3120-00-831-4194 has 3 cross-referenced part numbers: 107840 (Cummins Inc.), L42675 (Cummins Inc.), 42675 (Cummins Inc.).

What NSN replaces 3120-00-831-4194?

There are 6 known substitutes for 3120-00-831-4194: 4820-01-058-0935, 5962-01-088-9840, 8520-01-370-4284 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 107840?

Key specifications for 107840: Corner Shape: SQUARE OUTSIDE LEFT CORNER; Material: COPPER ALLOY INNER LAYER; Left Flange Outside Diameter: 6.3720 INCHES MINIMUM AND 6.3780 INCHES MAXIMUM IN; Corner Shape: SQUARE INSIDE RIGHT CORNER. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-831-4194 still in active supply?

NSN 3120-00-831-4194 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