PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6021FBushing,sleeve

Oshkosh Defense Llc · NSN 3120-00-371-2941 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-371-2941 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-371-2941. Primary manufacturer part number: 6021F.
Features
  • Bushing,sleeve — FSC 3120
  • Body Inside Diameter: 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Keyway Dimension: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM INTERNAL KEYWAY DEPTH IN
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Surface Groove Location and Quantity: 1 EXTERNAL
  • Corner Shape: SQUARE INSIDE LEFT CORNER
Applications
  • Applications requiring Steel Comp 4620h Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-371-2941, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN3120-00-371-2941
Primary Part Number6021F
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Body Inside Diameter1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Keyway Dimension0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM INTERNAL KEYWAY DEPTH IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface Groove Location and Quantity1 EXTERNAL
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
MaterialSTEEL COMP 4620H OVERALL
Body Outside Diameter2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
Flange Outside Diameter2.7300 INCHES MINIMUM AND 2.7400 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED CIRCULAR
Flange Width0.1980 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-227-86075223 INTERCHANGEABLE
Transformer,electri
The Bechdon Company, Llc
2520-00-462-1434 INTERCHANGEABLE
Sleeve,transmission
5975-00-802-6531 INTERCHANGEABLE
Box Connector,electrical
5310-00-914-872852-23 INTERCHANGEABLE
Washer,lock
Pitney Bowes Inc.
3030-00-933-5356110XL037 INTERCHANGEABLE
Belt,positive Drive
Gates Corporation
5220-01-133-989025DL INTERCHANGEABLE
Gage,thickness,electronic
Panametrics Llc
5340-01-141-1981 INTERCHANGEABLE
Insert
6625-01-145-23865223 INTERCHANGEABLE
Oscilloscope
Tektronix, Inc.
5962-01-203-724841577 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
4820-01-210-6903 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
6021F Oshkosh Defense Llc (USA)
6021F Oshkosh Corp (USA)
5223 Eaton Corp Transmission Div (USA)
41577 Terex Corp (USA)
F5223 Eaton Corp Transmission Div (USA)
Related Parts
5950-00-227-8607INTERCHANGEABLE
TRANSFORMER,ELECTRI
5223
2520-00-462-1434INTERCHANGEABLE
SLEEVE,TRANSMISSION
5975-00-802-6531INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5310-00-914-8728INTERCHANGEABLE
WASHER,LOCK
52-23
3030-00-933-5356INTERCHANGEABLE
BELT,POSITIVE DRIVE
110XL037
5220-01-133-9890INTERCHANGEABLE
GAGE,THICKNESS,ELECTRONIC
25DL
5340-01-141-1981INTERCHANGEABLE
INSERT
6625-01-145-2386INTERCHANGEABLE
OSCILLOSCOPE
5223
5962-01-203-7248INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41577
4820-01-210-6903INTERCHANGEABLE
VALVE,SAFETY RELIEF
5940-01-331-0267INTERCHANGEABLE
TERMINAL,LUG
5223
5120-01-406-7724INTERCHANGEABLE
SCREWDRIVER,FLAT TIP

Frequently Asked Questions

What is NSN 3120-00-371-2941?

NSN 3120-00-371-2941 is a Bushing,sleeve, manufactured by Oshkosh Defense Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-371-2941?

NSN 3120-00-371-2941 has 5 cross-referenced part numbers: 6021F (Oshkosh Defense Llc), 6021F (Oshkosh Corp), 5223 (Eaton Corp Transmission Div), 41577 (Terex Corp), F5223 (Eaton Corp Transmission Div).

What NSN replaces 3120-00-371-2941?

There are 12 known substitutes for 3120-00-371-2941: 5950-00-227-8607, 2520-00-462-1434, 5975-00-802-6531 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6021F?

Key specifications for 6021F: Body Inside Diameter: 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Keyway Dimension: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM INTERNAL KEYWAY DEPTH IN; Corner Shape: SQUARE INSIDE RIGHT CORNER. 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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