PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-12560-1Bearing,sleeve

Triumph Gear Systems Inc Dba Triumph Gear Systems Inc · NSN 3120-00-968-4788 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-968-4788 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-968-4788. Primary manufacturer part number: 40-12560-1.
Features
  • Bearing,sleeve — FSC 3120
  • Right Flange Outside Diameter: 11.7500 INCHES NOMINAL IN
  • Body Outside Diameter: 10.7460 INCHES MINIMUM AND 10.7490 INCHES MAXIMUM IN
  • Left Flange Width: 0.5000 INCHES NOMINAL IN
  • Left Flange Outside Diameter: 11.7500 INCHES NOMINAL IN
  • Right Flange Width: 0.5000 INCHES NOMINAL IN
  • Body Inside Diameter: 9.7850 INCHES MINIMUM AND 9.7900 INCHES MAXIMUM IN
  • Style Designator: SEGMENTED, EXTERNAL FLANGES BOTH ENDS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-968-4788, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triumph Gear Systems Inc Dba Triumph Gear Systems Inc. Government technical data includes 7 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-968-4788
Primary Part Number40-12560-1
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTriumph Gear Systems Inc Dba Triumph Gear Systems Inc
StatusACTIVE
Right Flange Outside Diameter11.7500 INCHES NOMINAL IN
Body Outside Diameter10.7460 INCHES MINIMUM AND 10.7490 INCHES MAXIMUM IN
Left Flange Width0.5000 INCHES NOMINAL IN
Left Flange Outside Diameter11.7500 INCHES NOMINAL IN
Right Flange Width0.5000 INCHES NOMINAL IN
Body Inside Diameter9.7850 INCHES MINIMUM AND 9.7900 INCHES MAXIMUM IN
Style DesignatorSEGMENTED, EXTERNAL FLANGES BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-333-4900125601B INTERCHANGEABLE
Gear,helical
Brinkley Technology Group Llc Dba Hercules Manufacturing
6210-00-399-6207 INTERCHANGEABLE
Holder,electric Light Globe
5998-00-933-4645SMD431963 INTERCHANGEABLE
Circuit Card Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5995-01-629-4017125601 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Radiation Safety & Control Services, Inc. Dba Rscs
Cross-Reference Index
Part NumberManufacturer
12560-1 Mkt Geotechnical Systems (USA)
702-01110 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
702-01110 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
D164459-011 Dresser Systems Inc (USA)
164459-011 Dresser Systems Inc (USA)
40-12560-1 PRIMARY Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
Related Parts
3020-00-333-4900INTERCHANGEABLE
GEAR,HELICAL
125601B
6210-00-399-6207INTERCHANGEABLE
HOLDER,ELECTRIC LIGHT GLOBE
5998-00-933-4645INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
SMD431963
5995-01-629-4017INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
125601

Frequently Asked Questions

What is NSN 3120-00-968-4788?

NSN 3120-00-968-4788 is a Bearing,sleeve, manufactured by Triumph Gear Systems Inc Dba Triumph Gear Systems Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-968-4788?

NSN 3120-00-968-4788 has 6 cross-referenced part numbers: 12560-1 (Mkt Geotechnical Systems), 702-01110 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), 702-01110 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center), D164459-011 (Dresser Systems Inc), 164459-011 (Dresser Systems Inc) and 1 more.

What NSN replaces 3120-00-968-4788?

There are 4 known substitutes for 3120-00-968-4788: 3020-00-333-4900, 6210-00-399-6207, 5998-00-933-4645 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-12560-1?

Key specifications for 40-12560-1: Right Flange Outside Diameter: 11.7500 INCHES NOMINAL IN; Body Outside Diameter: 10.7460 INCHES MINIMUM AND 10.7490 INCHES MAXIMUM IN; Left Flange Width: 0.5000 INCHES NOMINAL IN; Left Flange Outside Diameter: 11.7500 INCHES NOMINAL IN. 8 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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