PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20057Bearing,sleeve

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 3120-00-358-2258 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-358-2258 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-358-2258. Primary manufacturer part number: 20057.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material: TIN ALLOY UNS L13870 INNER LAYER
  • Material: STEEL OUTER LAYER
  • Antirotation/lubrication Type and Quantity: 1 HOLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Tin Alloy Uns L13870 Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-358-2258, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, 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
NSN3120-00-358-2258
Primary Part Number20057
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialTIN ALLOY UNS L13870 INNER LAYER
MaterialSTEEL OUTER LAYER
Antirotation/lubrication Type and Quantity1 HOLE
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Surface Groove Location and Quantity1 EXTERNAL
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Lubricant Accommodation StyleGROOVED CIRCULAR
Flange Outside Diameter2.9950 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
Body Outside Diameter2.1885 INCHES MINIMUM AND 2.1895 INCHES MAXIMUM IN
Flange Width0.33875 INCHES MINIMUM AND 0.34875 INCHES MAXIMUM IN
Body Inside Diameter1.4990 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2540-00-123-7216B-2001 INTERCHANGEABLE
Chamber Assembly
Dcm Manufacturing, Inc.
5133-00-228-1344 INTERCHANGEABLE
Drill,twist
4730-00-274-920920057 INTERCHANGEABLE
Packing Nut
Northrop Grumman Systems Corporation Div Marine Systems
4320-00-602-059720057 INTERCHANGEABLE
Pump,reciprocating
Hydro-Aire Aerospace Corp
1660-00-617-700420057 INTERCHANGEABLE
Plate,thrust
Avox Systems Inc Dba Avox Systems Inc
2520-00-862-709020057 INTERCHANGEABLE
Parts Kit,universal Joint
Trw Inc Trw Intl Trade Government Sales Dept
2540-01-023-0172AT58147 INTERCHANGEABLE
Shaft and Pivot Assembly
Deere & Company Dba Deere John Co
5950-01-030-4045240-2725-010 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5306-01-200-1424 INTERCHANGEABLE
Bolt,shear
5950-01-248-5947 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
20057A Hercules Engine Co Inc (USA)
20057 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
20057B Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
20057 Hercules Engine Co Inc (USA)
20057A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
20057B Hercules Engine Co Inc (USA)
Related Parts
2540-00-123-7216INTERCHANGEABLE
CHAMBER ASSEMBLY
B-2001
5133-00-228-1344INTERCHANGEABLE
DRILL,TWIST
4730-00-274-9209INTERCHANGEABLE
PACKING NUT
20057
4320-00-602-0597INTERCHANGEABLE
PUMP,RECIPROCATING
20057
1660-00-617-7004INTERCHANGEABLE
PLATE,THRUST
20057
2520-00-862-7090INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
20057
2540-01-023-0172INTERCHANGEABLE
SHAFT AND PIVOT ASSEMBLY
AT58147
5950-01-030-4045INTERCHANGEABLE
REACTOR
240-2725-010
5306-01-200-1424INTERCHANGEABLE
BOLT,SHEAR
5950-01-248-5947INTERCHANGEABLE
TRANSFORMER,POWER
4920-01-465-2491INTERCHANGEABLE
STAND,MAINTENANCE,AIRCRAFT ENGIN
5306-01-562-4416INTERCHANGEABLE
BOLT,SHEAR
20-057C5-19D

Frequently Asked Questions

What is NSN 3120-00-358-2258?

NSN 3120-00-358-2258 is a Bearing,sleeve, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-358-2258?

NSN 3120-00-358-2258 has 6 cross-referenced part numbers: 20057A (Hercules Engine Co Inc), 20057 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 20057B (Brinkley Technology Group Llc Dba Hercules Manufacturing), 20057 (Hercules Engine Co Inc), 20057A (Brinkley Technology Group Llc Dba Hercules Manufacturing) and 1 more.

What NSN replaces 3120-00-358-2258?

There are 12 known substitutes for 3120-00-358-2258: 2540-00-123-7216, 5133-00-228-1344, 4730-00-274-9209 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20057?

Key specifications for 20057: Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-358-2258 still in active supply?

NSN 3120-00-358-2258 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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