PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T20034Bearing,sleeve

Deere & Co · NSN 3120-01-121-1780 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-121-1780 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-121-1780. Primary manufacturer part number: T20034.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 1.7520 INCHES MINIMUM AND 1.7530 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.8786 INCHES MINIMUM AND 1.8800 INCHES MAXIMUM IN
  • Material: STEEL OUTER LAYER
  • Material: COPPER ALLOY INNER LAYER
  • Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-121-1780, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Deere & Co. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-121-1780
Primary Part NumberT20034
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDeere & Co
StatusACTIVE
Body Inside Diameter1.7520 INCHES MINIMUM AND 1.7530 INCHES MAXIMUM IN
Body Outside Diameter1.8786 INCHES MINIMUM AND 1.8800 INCHES MAXIMUM IN
MaterialSTEEL OUTER LAYER
MaterialCOPPER ALLOY INNER LAYER
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Style DesignatorSPLIT, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeCHAMFERED OUTSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-120-0089 INTERCHANGEABLE
Resistor,fixed,composition
5133-00-189-9324 INTERCHANGEABLE
Drill,twist
5133-00-228-1335 INTERCHANGEABLE
Drill,twist
5996-00-830-460020034 INTERCHANGEABLE
Amplifier,audio Frequency
Telephonics Corp
5330-00-885-7549 INTERCHANGEABLE
Gasket,valve
8020-01-140-0952 INTERCHANGEABLE
Roller,paint
5365-01-198-332120034 INTERCHANGEABLE
Spacer,plate
Twg Canada Consolidated Inc
3020-01-213-457112689 INTERCHANGEABLE
Gear,spur
Westerbeke Corporation
5342-01-319-861520034 INTERCHANGEABLE
Mount,resilient,weapon System
Keysight Technologies Inc
5440-01-375-618731608 INTERCHANGEABLE
Inner Ladder Assy
Little Giant Ladder Systems, Llc
Cross-Reference Index
Part NumberManufacturer
T20034T Deere & Co (USA)
T20034 PRIMARY Deere & Co (USA)
20034 Deere & Co (USA)
Related Parts
5905-00-120-0089INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5133-00-189-9324INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1335INTERCHANGEABLE
DRILL,TWIST
5996-00-830-4600INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
20034
5330-00-885-7549INTERCHANGEABLE
GASKET,VALVE
8020-01-140-0952INTERCHANGEABLE
ROLLER,PAINT
5365-01-198-3321INTERCHANGEABLE
SPACER,PLATE
20034
3020-01-213-4571INTERCHANGEABLE
GEAR,SPUR
12689
5342-01-319-8615INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
20034
5440-01-375-6187INTERCHANGEABLE
INNER LADDER ASSY
31608
4330-01-416-1664INTERCHANGEABLE
FILTER ELEMENT,FLUID
20034
5980-01-435-8588INTERCHANGEABLE
LIGHT EMITTING DIODE
T20034

Frequently Asked Questions

What is NSN 3120-01-121-1780?

NSN 3120-01-121-1780 is a Bearing,sleeve, manufactured by Deere & Co, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-121-1780?

NSN 3120-01-121-1780 has 3 cross-referenced part numbers: T20034T (Deere & Co), T20034 (Deere & Co), 20034 (Deere & Co).

What NSN replaces 3120-01-121-1780?

There are 12 known substitutes for 3120-01-121-1780: 5905-00-120-0089, 5133-00-189-9324, 5133-00-228-1335 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T20034?

Key specifications for T20034: Overall Length: 0.8430 INCHES NOMINAL IN; Body Inside Diameter: 1.7520 INCHES MINIMUM AND 1.7530 INCHES MAXIMUM IN; Body Outside Diameter: 1.8786 INCHES MINIMUM AND 1.8800 INCHES MAXIMUM IN; Material: STEEL OUTER LAYER. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com