PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T11Bearing,sleeve

Caterpillar Inc Div Caterpillar Defense · NSN 3120-00-392-3048 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-392-3048 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-392-3048. Primary manufacturer part number: T11.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.2830 INCHES MINIMUM AND 1.2840 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 1.0810 INCHES MINIMUM AND 1.0840 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-392-3048, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-392-3048
Primary Part NumberT11
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Body Outside Diameter1.2830 INCHES MINIMUM AND 1.2840 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter1.0810 INCHES MINIMUM AND 1.0840 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-190-6800 INTERCHANGEABLE
Strap,retaining
2910-00-287-316833043 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5975-00-497-2129250 INTERCHANGEABLE
Conduit Outlet
Hubbell-Raco Inc
3010-00-540-7458T1-1 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
3110-00-554-6152 INTERCHANGEABLE
Bearing,ball,annular
6720-00-663-2441691A1-1 INTERCHANGEABLE
Camera,still Picture
Bae Systems Information and Electronic Systems Integration Inc.
5950-00-884-6423 INTERCHANGEABLE
Transformer,audio Frequency
5945-00-982-6621G59453 INTERCHANGEABLE
Relay,electromagnetic
Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co
6685-01-009-2890T11 INTERCHANGEABLE
Testmaster
Mahr Inc
5950-01-128-3745T1-1 INTERCHANGEABLE
Transformer,radio Frequency
Scientific Components Corp Dba Mini-Circuits
Cross-Reference Index
Part NumberManufacturer
T11 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
1F3279 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5340-00-190-6800INTERCHANGEABLE
STRAP,RETAINING
2910-00-287-3168INTERCHANGEABLE
FILTER ELEMENT,FLUID
33043
5975-00-497-2129INTERCHANGEABLE
CONDUIT OUTLET
250
3010-00-540-7458INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
T1-1
3110-00-554-6152INTERCHANGEABLE
BEARING,BALL,ANNULAR
6720-00-663-2441INTERCHANGEABLE
CAMERA,STILL PICTURE
691A1-1
5950-00-884-6423INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5945-00-982-6621INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
G59453
6685-01-009-2890INTERCHANGEABLE
TESTMASTER
T11
5950-01-128-3745INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
T1-1
5120-01-264-2386INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-01-291-3717INTERCHANGEABLE
GASKET SET
T-11

Frequently Asked Questions

What is NSN 3120-00-392-3048?

NSN 3120-00-392-3048 is a Bearing,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-392-3048?

NSN 3120-00-392-3048 has 2 cross-referenced part numbers: T11 (Caterpillar Inc Div Caterpillar Defense), 1F3279 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3120-00-392-3048?

There are 12 known substitutes for 3120-00-392-3048: 5340-00-190-6800, 2910-00-287-3168, 5975-00-497-2129 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T11?

Key specifications for T11: Body Outside Diameter: 1.2830 INCHES MINIMUM AND 1.2840 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-392-3048 still in active supply?

NSN 3120-00-392-3048 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.
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